AbsorbMax™ Black Vinyl Sealing Film

• Minimizes background fluorescence and cross talk between plate wells
• Ideal as a back seal for black plates with clear well bottoms for top reading measurements
• Absorbs stray light, reducing the background caused by light scatter
• Protects light sensitive samples from degradation
• Features a single split liner for easy application

Applications

• Fluorescence assays
• Light sensitive sample protection

Temp. Range

• -40°C to +80°C

BrightMax™ Sealing Film

White, light-reflecting, vinyl sealing film designed for use with white microplates.

• The light reflective properties on clear-bottom plates maximize the sensitivity of bioluminescence and chemiluminescence assays in bottom-reading luminometers
• Maximizes intensity and signal-to-noise ratios in luminescence assays
• May be used as a backing matrix for microscopy of punch-out samples for filter plates (e.g. ELISPOT assays)
• Features a single split liner for easy application

Applications

• Luminescence
• Fluorescence
• Microscopy

• -40°C to +80°C

Plate-Sealing Roller

The plate-sealing roller features a smooth spinning, thermoplastic elastomer sealing surface with a durable plated metal handle.

• Reusable, autoclavable
• Provides a large 4 inch (10.16 cm) wide sealing surface
• A 10 minute or greater dwell me at room temperature before processing increases the film-to-plate bond

Film-Sealing Paddles

For a limited time, purchase any Hoefer® SE260 Mini Gel Unit,

(SE260-10A-10, SE260-10A-15, SE260-10A-75, or SE260B)

& get 5 Hoefer® Mighty Small Precast Gels FREE!

 

When ordering free product, use item number plus “-VF”.

 

Promo valid from 6/10/25 - 8/31/25.
Offer cannot be combined with other promotions, discounts, or institutional pricing. Not valid on prior purchases.
Special price applies only to the specified item; no substitutions.
Allterms and conditionsapply.

Hoefer® Mighty Small II Deluxe Mini Vertical Electrophoresis System

Combines the advantages of small format and efficient cooling for rapid screening of proteins and nucleic acids.

• Maximum glass plate size 10 x 10.5 cm
• Flexible design, additionally able to accommodate 10 x 8 cm format with optional accessories
• Supports a wide variety of precast gels
• Efficient active cooling ensures sharp bands
• Run up to four gels at one time under identical conditions
• Quick and easy to assemble
• Choose from a wide variety of accessories  

Hoefer® Mighty Small II Deluxe Complete Units (SE260-10A)

• Lower Buffer Chamber, 1/ea
• Upper Buffer Chamber/Cooling Core, 1/ea
• Safety Lid with High Voltage Leads, 1/ea
• Casting Cradle w/Sealing Gasket Set, 1/ea
• Casting Clamp Assemblies, 2/ea
• Cams, 4/ea
• Glass Plates, Rectangular, 10 x 10.5 cm, 10/ea
• Alumina Plates, Notched, 10 x 10.5 cm, 5/ea
• Spring Clamps, 4/ea
• Combs, 10 well, 2/ea
• T-Spacers, 4/ea
• Well Locating Decals, 2/ea
• Gel Seal, 1/ea

Hoefer® Mighty Small II Deluxe Basic Unit (SE260B)

The same as above without the combs, spacers, plates, and caster. For use with precast gels or order two SE211A combs, two sets of 10.5 cm long spacers,
10 x 10.5 cm rectangular glass and notched alumina plates, and a gel caster.

• Alumina Plates, Notched, 10 x 10.5 cm, 5/pk
• Spring Clamps, 4/pk
• Combs, 10 well, 2/pk
• T-Spacers, 4/pk
• Well Locating Decals, 2/pk
• Gel Seal/pk

Specifications
 

Plate Size (W x H)	3.34 x 4.14 or 3.34 x 3.15 In. | 10 x 10.5 cm or 10 x 8 cm
Spacers	0.75 mm, 1.0 mm, 1.5 mm
Max. Power	500 V, 500 mA, 12 W
Max. Temp.	113ºF | 45°C
Indoor Use	39.2 to 104ºC | 4 to 40°C
Humidity	Up to 80%
Dims (D x W x H)	6.30 x 6.50 x 7.08 In. | 16 x 16.5 x 18 cm
Weight	3.30 lb | 1.50 kg

Hoefer® Wide-Mini Vertical Protein Electrophoresis System

Extra wide format is ideal for quick, high-throughput runs. The SE640 is an extra wide vertical protein electrophoresis unit that accommodates up to 112 samples at one time.

• Maximum glass plate size 18 x 8 cm
• Permits rapid screening of up to 112 samples at one time
• Design permits gels to be surrounded uniformly by buffer so heat dissipation is efficient. 
• Bands are sharp and lanes are straight
• Accommodates denaturing or native polyacrylamide gels
• Run up to four second dimension gels using IEF strips or tube gels

Hoefer® Wide-Mini Complete Unit (SE640-15-15)

• Lower Buffer Chamber, 1/ea
• Upper Buffer Chamber, 1/ea
• Safety Lid with High Voltage Leads, 1/ea
• Glass Plates 18 x 8 cm, 6/pk
• 8 cm Clamp Assemblies, 4/pk
• Cams, 6/pk
• Dual Casting Stand with Leveling Base, 1/ea
• Laminated Gaskets for Casting Stand, 2/pk
• Slotted Gaskets for Upper Buffer Chamber, 2/pk
• Buffer Dam, 1/ea
• Spacer-Mate Alignment Template, 1/ea
• Wonder Wedge Plate Separation Tool, 1/ea
• Gel Seal, 1/ea
• Bubble Level, 1/ea
• Combs, 15-well, 1.5 mm thick, 2/pk
• 1.5 mm Thick Spacers, 2 cm wide, 4/pk

Hoefer® Wide-Mini Basic Unit (SE640)

The same as above without the combs and spacers. Order two SE511 combs and two sets of 8 cm long spacers separately.

Specifications
 

Plate Size (W x H)	7.09 x 3.15 In. | 18 x 8 cm
Spacers	0.75 mm, 1.0 mm, 1.5 mm
Max. Power	1000 V, 500 mA, and 50 W
Max. Temp.	113ºF | 45°C
Indoor Use	39.2 to 104ºF | 4 to 40°C
Humidity	Up to 80%
Dims (D x W x H)	5.51 x 12.60 x 11.42 In. | 14 x 32 x 29 cm

Hoefer® Mini Horizontal Agarose Electrophoresis System

Designed for very fast separations of DNA restriction fragments in agarose gels. To achieve passive cooling, you simply fill the clear molded base with 50% ethylene glycol coolant solution, seal it, and place it in a freezer or ice bath until ready to use.

• Fast separations - run a 7 x 10 cm gel in as little as 5 minutes
• UV-transparent running tray allows the user to image the gel without risk of damage due to handling
• Variety of comb sizes enables customization of sample throughput to fit your laboratory's requirements 
• Adjustable comb height offers complete control over well depth
• Gel Casting Kit Includes 7 x 10 cm Running Tray, 7 x 10 cm Casting Tray, and 4 Foam Gaskets

Complete Unit (HE33-8-15)

• Buffer Chamber Assembly, 1/ea
• Safety Lid with High Voltage Leads, 1/ea
• Running Tray, 1/ea
• Casting Tray, 1/ea
• Foam Gaskets, 4/pk
• Bubble Level, 1/ea
• 1.5 mm thick, 8-well comb, 1/ea
• Comb Back, 1/ea 

Basic Unit (HE33B)

The same as above, without the comb and comb back. Order separately.

Specifications
 

Gel Dims (W x L)	2.76 x 3.94 In. | 7 x 10 cm
Max. Buffer Vol.	250 mL
Max. Power	500 V for (5 min or less), 500 mA, 15 W
Max. Capacity	32 Samples
Max. Temp.	122ºF | 50°C
Indoor Use	39.2 to 104ºF | 4 to 40°C
Humidity	Up to 80%
Dims (D x W x H)	9.45 x 5.12 x 2.76 In. | 24 x 13 x 7 cm
Weight	1.76 lb | 0.80 kg

Hoefer® Submarine Gel Electrophoresis Systems 

• Color-coded and height-adjustable combs easily identify comb thickness at a glance and control well depth
• Colored loading strips - for easy well detection when loading
• UV-transparent running tray allows user to image gel without risk of damage due to handling
• Buffer recirculation ports may be connected to a peristaltic pump for buffer recirculation during electrophoresis to maintain buffer pH and prevent ionic gradient formation (*Not included for SUB6 and SUB10) 
• Includes
• Buffer Chamber Assembly, 1/ea
• Safety Lid, 1/ea
• High Voltage Leads, 1/ea
• Colored Loading Strips, 1/ea
• Buffer Recirculation Ports, 2/pk (*Not included for SUB6 and SUB10)
• Running Tray, 1/ea
• Combs, 1/ea 

Mini (SUB6), Mini+ (SUB10) and Midi (SUB13) Submarine Gel Electrophoresis Systems

The SUB6 and SUB10 are ideal for routine nucleic acid preparatory and analytical electrophoresis techniques. SUB13 Midi is ideal for analytical and preparative studies of nucleic acids. Maximum of 32-sample (SUB6), 80-sample (SUB10), or 112-sample (SUB13) throughput capacity and features a removable gel-casting tray with end gaskets that allow gels to be cast directly within the tank.

• Compact tank reduces the buffer volume required to cover the gel, providing greater control over the voltage gradient and run-time
• Side handles for safe and easy transportation around the laboratory 
• Includes
• Running Tray with Silicone Gasket*
• 1 mm thick, 8-well combs, 2/pk (SUB6 Only)
• 1 mm thick, 16-well combs, 2/pk (SUB10 and SUB13 Only)

*The included running tray is lined with silicone gaskets, which form a leak-proof seal against the inner walls of the running chamber when the running tray is turned 90° to the direction of electrophoresis.

Standard (SUB15) Submarine Gel Electrophoresis System

Provides the most commonly used tray size and comb options. Highly versatile option for screening nucleic acid samples ranging from DNA mini-preps to PCR products. 120-sample maximum throughput.

• The market standard - a 15 x 15 cm gel tray, with comb options ranging from 1 to 30 samples
• Multi-channel pipette compatible combs with a maximum 30 sample throughput reduce gel loading time, while preparatory combs enable nucleic acids to be scaled up for cloning
• Side handles for safe and easy transportation around the laboratory
• Includes
• Running Tray with Casting Gates*
• 1 mm thick, 16-well combs, 2/pk 

*The included casting gates conveniently and efficiently seal the running tray without the hassles of using tape.

High Throughput (SUBHT) Submarine Gel Electrophoresis System

Ideal for high throughput screening applications like single strand polymorphism (SSP) analysis following PCR. This horizontal gel unit can resolve DNA strands from 50 – 1000 base pairs in 30 minutes and accommodate up to 120 samples (96-well plate + 24 control and/or marker samples). 

• Fast, error-free loading - Load an entire 96-well plate using a multichannel pipette
• Simplified analysis - Fluorescent labels for each sample printed on a UV transparent gel tray allows for instant sample identification (matched to a 96-well plate) during post-run visualization
• Eliminate variability caused by running buffer pH drift and ionic gradient formation with optional buffer recirculation capability
• Compact tank design needs less buffer to cover gel which not only reduces buffer consumption but provides greater control of voltage gradients and run times
• Fully compatible with a wide range of combs and accessories to meet all your high throughput and standard gel analysis needs
• Includes
• Fluorescent Labeled Running Tray with Casting Gates
• 1 mm thick, 30 well combs, 4/pk 

Maxi-Standard (SUB20) and Maxi-Cooled (SUB20C) Submarine Gel Electrophoresis Systems

20 x 20 cm gel-running tray with four comb positions, which allows the user to perform high-resolution analytical and preparative studies of nucleic acids. Handles up to 168 samples. 

• Multichannel pipette compatible combs with a maximum 40 sample throughput reduces gel loading time
• Side handles for safe and easy transportation around the laboratory 
• Includes
• Buffer Chamber Assembly with Cooling Ports (SUB20C Only)
• Running Tray with Casting Gates
• 1 mm thick, 16 well combs, 2/pk

*The included casting gates conveniently and efficiently seal the running tray without the hassles of using tape.

Maxi-Plus Standard (SUB25) and Maxi-Plus Cooled (SUB25C) Submarine Gel Electrophoresis Systems

Ideal for high-throughput screening of nucleic acids, particularly PCR products, and in genotyping studies. It has a 25 x 30 cm gel-running tray with 12 comb positions accommodating a maximum throughput of 624 samples.

• Multichannel pipette compatible combs—with a maximum 52 sample throughput, reduce gel loading time
• Side handles—for safe and easy transportation around the laboratory
• Includes
• Buffer Chamber Assembly with Cooling Ports (SUB25C Only)
• Running Tray w/Casting Gates
• 1 mm thick, 26 well combs, 6/pk

Proudly made in the USA! Click here for more made in America products!
  

Hoefer® Tall Air-Cool Vertical Electrophoresis System

Compact, rugged, and economical units ideal for educational laboratories with multiple users.

• Maximum glass plate size 18 x 24 cm
• Rugged injection molded construction is durable and assembles easily 
• Run two gels with the addition of a divider plate
• Built-in casting stand seals leak free
• Choose from a wide variety of accessories
• Plates, clamps, spacers, and combs are interchangeable with the SE600 Series 

Hoefer® Tall Air-Cool Complete Unit (SE410-15-15)

• Lower Buffer Chamber/Casting Stand on Leveling Base with High Voltage Leads, 1/ea
• Upper Buffer Chamber, 1/ea
• Safety Lid with Electrodes, 1/ea
• Glass Plates, 18 x 24 cm, 2/pk
• Clamp Assemblies, 8 cm, 2/pk
• Clamp Assemblies, 16 cm, 2/pk
• Cams, 2/pk
• Slotted Gasket for Upper Buffer Chamber, 1/ea
• Bubble Level, 1/ea
• Laminated Gasket for Casting Stand, 1/ea
• Spacer-Mate Alignment Template, 1/ea
• Wonder Wedge-Plate Separation Tool, 1/ea
• Gel Seal, 1/ea
• Comb, 15-well, 1.5 mm thick, 1/ea
• Spacers, 1.5 mm thick, 2 cm wide, 2/pk 

Hoefer® Tall Air-Cool Basic Unit (SE410)

The same as above without the combs and spacers. Order one SE511 comb and one set of 24 cm long spacers separately.

Specifications
 

Plate Size (W x H)	7.09 x 9.45 In. | 18 x 24 cm
Spacers	0.75 mm, 1.0 mm, 1.5 mm
Max. Power	500 V, 60 mA, 20 W
Max. Temp.	113ºF | 45°C
Indoor Use	39.2 to 104ºF | 4 to 40°C
Humidity	Up to 80%
Dims (D x W x H)	5.91 x 9.45 x 14.19 In. | 15 x 24 x 36 cm
Weight	7.94 lb | 3.60 kg

Hoefer® Mighty Small II Mini Vertical Electrophoresis System

Designed for quick screening and rapid separation.

• Maximum glass plate size 10 x 8 cm
• Efficient active cooling ensures sharp bands
• Quick and easy to assemble
• Requires minimal buffer

Easily upgradable to the SE260 (with optional accessories), resulting in the additional capability of accommodating both 10 x 8 and 10 x 10.5 cm gels, enabling a wider variety of precast gel options.

Hoefer® Mighty Small II Complete Units (SE250-10A)

• Lower Buffer Chamber, 1/ea
• Upper Buffer Chamber with Cooling Core, 1/ea
• Safety Lid with High Voltage Leads, 1/ea
• Casting Cradle with Sealing Gasket Set, 1/ea
• Casting Clamp Assemblies, 2/ea
• Cams, 4/ea
• Glass Plates, Rectangular, 10 x 8 cm, 10/ea
• Alumina Plates, Notched, 10 x 8 cm, 2/ea
• Spring Clamps, 4/ea
• Combs, 10 well, 2/ea
• T-Spacers, 4/ea
• Well Locating Decals, 2/ea
• Gel Seal, 1/ea

Hoefer® Mighty Small II Basic Unit (SE250)

Specifications
 

Plate Size (W x H)	3.34 x 3.15 In. | 10 x 8 cm
Spacers	0.75 mm, 1.0 mm, 1.5 mm
Max. Power	500 V, 500 mA, 12 W
Max. Temp.	113ºF | 45°C
Indoor Use	39.2 to 104ºC | 4 to 40°C
Humidity	Up to 80%
Dims (D x W x H)	6.30 x 6.50 x 6.30 In. | 16 x 16.5 x 16 cm
Weight	3.30 lb | 1.50 kg

Hoefer® Air-Cooled Vertical Electrophoresis System

Compact, rugged, and economical units ideal for educational laboratories with multiple users.

• Maximum glass plate size 18 x 16 cm
• Rugged injection molded construction is durable and assembles easily
• Run two gels with the addition of a divider plate
• Built-in casting stand seals leak free
• Choose from a wide variety of accessories
• Plates, clamps, spacers, and combs are interchangeable with the SE600 Series 

Hoefer® Air-Cooled Complete Unit (SE400-15-15)

• Lower Buffer Chamber/Casting Stand on Leveling Base with High Voltage Leads, 1/ea
• Upper Buffer Chamber, 1/ea
• Safety Lid with Electrodes, 1/ea
• Glass Plates, 18 x 16 cm, 2/pk
• Clamp Assemblies, 16 cm, 2/pk
• Cams, 2/pk
• Slotted Gasket for Upper Buffer Chamber, 1/ea
• Bubble Level, 1/ea
• Laminated Gasket for Casting Stand, 1/ea
• Spacer-Mate-Alignment Template, 1/ea
• Wonder Wedge Plate Separation Tool, 1/ea
• Gel Seal, 1/ea
• Comb, 15-well, 1.5 mm thick, 1/ea
• Spacers, 1.5 mm thick, 2 cm wide, 2/pk 

Hoefer® Air-Cooled Basic Unit (SE400)

The same as above without the combs and spacers. Order one SE511 comb and one set of 16 cm long spacers separately.

Specifications
 

Plate Size (W x H)	7.09 x 6.30 In. | 18 x 16 cm
Spacers	0.75 mm, 1.0 mm, 1.5 mm
Max. Power	500 V, 60 mA, 20 W
Max. Temp.	113ºF | 45°C
Indoor Use	39.2 to 104ºF | 4 to 40°C
Humidity	Up to 80%
Dims (D x W x H)	5.91 x 9.45 x 11.02 In. | 15 x 24 x 28 cm
Weight	6.83 | 3.10 kg