Hoefer – Nucleic Acid Electrophoresis
Electrophoresis systems and consumables for nucleic acid separation, preparation and screening from small capacity to high throughput horizontal submarine gel units
Mini Horizontal Units
SUB6 Mini Submarine Gel Electrophoresis Unit
Ideal for routine preparatory and analytical electrophoresis techniques
The SUB6 Mini Horizontal Gel Unit has a maximum 32-sample throughput capacity and features a removable gel-casting tray with end gaskets that allow gels to be cast directly within the tank.
Key Features
- 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
- Compact tank—reduces the buffer volume required to cover the gel, providing greater control over the voltage gradient and run-time
- UV-transparent running tray—allows the user to image the gel without risk of damage due to handling
- Side handles—for safe and easy transportation around the laboratory
Running Tray with Silicone Gasket (6 x 7.5 cm)
SUB System High Voltage Leads
All Hoefer electrophoresis equipment comes complete with high voltage leads. Replacement parts are available if required

- Platinum Wire
- SUB6 Combs
- Buffer Chamber Assembly
- Lid for SUB6
- Colored Loading Strips for SUB6, 6 pcs
- Gel Scoop for SUB6
- Silicone Gasket, 1 meter
- External Adjustable Casting Unit
Midi Horizontal Units
SUB13 Midi Submarine Gel Electrophoresis Unit
Ideal for analytical and preparative studies of nucleic acids
The SUB13 Midi Submarine Gel Unit has a maximum 112-sample throughput capacity and features a removable gel-casting tray with end gaskets that allow gels to be cast directly within the tank.
Key Features
- Color-coded and height adjustable combs—easily identify comb thickness at a glance and control well depth
- Buffer recirculation ports—may be connected to a peristaltic pump for buffer recirculation during electrophoresis to maintain buffer pH and prevent ionic gradient formation
- Colored loading strips—for easy well detection when loading
- Compact tank—reduces the buffer volume required to cover the gel, providing greater control over the voltage gradient and run-time
- UV-transparent running tray— allows the user to image the gel without risk of damage due to handling
- Side handles—for safe and easy transportation around the laboratory
12.8 x 15 cm Running Tray with Silicone Gasket
SUB System High Voltage Leads
All Hoefer electrophoresis equipment comes complete with high voltage leads. Replacement parts are available if required

- SUB13 Combs
- Buffer Chamber Assembly
- Lid for SUB13
- Colored Loading Strips for SUB13, 6 pcs
- Gel Scoop for SUB13
- Silicone Gasket, 1 meter
- Buffer Recirculation Ports, 2 pcs
- External Adjustable Casting Unit
- Platinum Wire
Maxi Horizontal Units
SUB20 Maxi-Standard Submarine Gel Electrophoresis Unit
Ideal for high resolution analytical and preparative studies of nucleic acids
The SUB20 Maxi-Standard Submarine Electrophoresis Unit provides a 20 x 20 cm gel-running tray with four comb positions which allows the user to perform high-resolution analytic research for a maximum of 168 samples.
Key Features
- Large format‐20 x 20 cm gel tray is ideal for high resolution techniques
- Multichannel pipette compatible combs—with a maximum 40 sample throughput reduce gel loading time
- Color-coded and height adjustable combs—easily identify comb thickness at a glance and control well depth
- Buffer recirculation ports—may be connected to a peristaltic pump for buffer recirculation during electrophoresis to maintain buffer pH and prevent ionic gradient formation
- Colored loading strips—for easy well detection when loading
- UV-transparent running tray—allows the user to image the gel without risk of damage due to handling
- Side handles—for safe and easy transportation around the laboratory
SUB20C Maxi-Cooled Submarine Gel Electrophoresis Unit
Ideal for high resolution analytical and preparative studies of nucleic acids
The SUB20C Maxi-Cooled Submarine Electrophoresis Unit has the same efficient design as the SUB20 with the addition of a cooling base that can be connected to a recirculation bath allowing high voltage electrophoretic separations without overheating.
Key Features
- Large format‐20 x 20 cm gel tray is ideal for high resolution techniques
- Multichannel pipette compatible combs—with a maximum 40 sample throughput reduce gel loading time
- Color-coded and height adjustable combs—easily identify comb thickness at a glance and control well depth
- Buffer recirculation ports—may be connected to a peristaltic pump for buffer recirculation during electrophoresis to maintain buffer pH and prevent ionic gradient formation
- Colored loading strips—for easy well detection when loading
- UV-transparent running tray—allows the user to image the gel without risk of damage due to handling
- Side handles—for safe and easy transportation around the laboratory
20 x 20 cm Running Tray with Casting Gates

- SUB20 & SUB20C Combs
- Buffer Chamber Assembly
- Buffer Chamber Assembly with Cooling Ports
- Lid for SUB20 and SUB20C
- Casting Gates with Silicone Gasket for SUB20, 2 pcs
- Colored Loading Strips for SUB20, 6 pcs
- Gel Scoop for SUB20
- SUB System High Voltage Leads
- Silicone Gasket, 1 meter
- Buffer Recirculation Ports, 2 pcs
- Platinum Wire
- SUB25 Maxi-Plus Standard Submarine Gel Electrophoresis Unit
- SUB25C Maxi-Plus Cooled Submarine Gel Electrophoresis Unit
- SUB25 & SUB25C Combs
- Buffer Chamber Assembly
Specialty Horizontal Units
HE-PLUS Horizontal Nucleic Acid Electrophoresis System
Complete horizontal nucleic acid electrophoresis system designed to meet a wide range of research application requirements
The HE-PLUS is a compact easy-to-use horizontal electrophoresis system for the separation of nucleic acids. It has a built-in variable power supply. An LED display enables easy viewing of the voltage, amperage, and time. Also featured is a 99:59 minute timer with an audible end of run alert.
The HE-PLUS offers a high throughput 96-well format with multichannel pipette compatible combs for the direct loading of samples in a small footprint. The horizontal tank is made of rugged polycarbonate and has a vented lid to reduce condensation so the run can be visually monitored.
Key Features
- Compact and Easy to Use
- Built-in Variable Power Supply with LED Display
- Adjustable Power Supply from10 to 400 mA or 10 to 150 Volts
- Built-in Timer with Audible Alert
SUBHT High Throughput Submarine Gel Electrophoresis Unit
Ideal for high throughput screening applications like single strand polymorphism (SSP) analysis following PCR
This high throughput horizontal gel unit can accommodate up to 120 samples and resolve DNA strands from 50–1000 base pairs in 30 minutes.
Key Features
- 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
- High throughput—Run up to 120 samples (96-well plate + 24 control and/or marker samples) in 30 minutes
- Better reproducibility—Eliminate variability caused by running buffer pH drift and ionic gradient formation with optional buffer recirculation capability
- Reduced buffer needs—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
- Maximum flexibility—Fully compatible with a wide range of combs and accessories to meet all your high throughput and standard gel analysis needs
15 x 15 cm Running Tray with Casting Gates

- SUBHT Combs
- Buffer Chamber Assembly
- Lid for SUBHT
- 15 x 15 cm Fluorescent Labeled Running Tray with Casting Gates
- Casting Gates with Silicone Gasket for SUBHT, 2 pcs
- Colored Loading Strips for SUBHT, 6 pcs
- Gel Scoop for SUBHT
- SUB System High Voltage Leads
- Platinum Wire
- Silicone Gasket, 1 meter
- Buffer Recirculation Ports, 2 pcs
- External Adjustable Casting Unit
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More Products
Hoefler specializes in developing and manufacturing tools and complimentary accessories for gel electrophoresis and blotting applications. Our decades of experience…