So-Low | Manual Defrost Laboratory Freezers with Digital Control | Medical, Pharmaceutical & Vaccine Storage
At Alto Med Supply, we offer So-Low manual defrost laboratory freezers with digital controls designed to meet the demanding temperature requirements of medical, pharmaceutical, and laboratory environments.
These professional-grade freezers provide dependable cold storage for facilities where maintaining consistent low temperatures is critical for protecting valuable materials and research samples.
Available in capacities ranging from 10 to 30 cubic feet, So-Low freezers provide flexible storage options for clinics, research laboratories, healthcare facilities, and pharmaceutical operations.
Each unit is engineered to maintain precise internal temperatures between -10°C and -30°C (depending on the model), helping ensure optimal conditions for storing temperature-sensitive items.
The manual defrost system is specifically designed to avoid the temperature fluctuations commonly associated with automatic defrost cycles.
By eliminating these temperature spikes, the freezer maintains a more stable environment, making it well suited for storing biological samples, enzymes, vaccines, pharmaceuticals, and other sensitive laboratory materials.
With digital temperature controls for precise monitoring and adjustment, So-Low manual defrost freezers provide the reliability and performance professionals depend on.
At Alto Med Supply, we supply these trusted laboratory freezers to help healthcare and research facilities maintain safe, consistent cold storage for critical materials.
Key Features
-
Manual Defrost Laboratory Design: Designed for medical, pharmaceutical, and laboratory environments where stable low-temperature storage is critical.
-
Digital Temperature Control: Built-in digital controls allow precise monitoring and adjustment of internal freezer temperatures.
-
Consistent Temperature Range: Maintains reliable temperatures between -10°C and -30°C (model dependent) for sensitive materials.
-
Manual Defrost System: Prevents temperature spikes commonly caused by automatic defrost cycles, helping maintain a more stable internal environment.
-
Multiple Storage Capacities: Available in sizes ranging from 10 to 30 cubic feet, offering flexible storage options for labs and healthcare facilities.
-
Ideal for Sensitive Sample Storage: Suitable for storing biological samples, enzymes, vaccines, and other temperature-sensitive laboratory materials.
-
Built for Professional Use: Engineered to support the strict performance requirements of medical labs, research facilities, and pharmaceutical storage.
Specifications
| Model Details |
DHK25-10SD |
DHH20-14MDP |
DHH20-17MDP |
DHH20-20MDP |
DHK30-24MDP |
DHW20-30MDP |
| Capacity |
10 Cu. Ft.
270 L |
14 Cu. Ft.
396 L |
17 Cu. Ft.
481 L |
20 Cu. Ft.
566 L |
24 Cu. Ft.
668 L |
30 Cu. Ft.
849 L |
| Temp Range |
-10°C to -25°C |
-15°C to -25°C |
-15°C to -25°C |
-15°C to -25°C |
-15°C to -25°C |
0°C to -20°C |
| Ext. Dimensions |
27.75×25.25
70.75" |
23.63×24.38
73" |
30.75×28.67
67.75" |
30.5×29.5
74.75" |
34.75×37
76" |
35.5×35
80" |
| Int. Dimensions |
19.5×18
48.5" |
19×17.5
63.75" |
26.13×22.5
58.25" |
25.5×21
64.75" |
27.5×28
51" |
32×22.5
65" |
| Compressor |
Hermetic |
| Defrost Method |
Manual |
| Refrigerant |
R600a |
R290 |
R290 |
R290 |
R290 |
R404A |
| Exterior |
Painted Steel |
Powder Coating |
Powder Coating |
Powder Coating |
Powder Coating |
Painted Steel |
| Interior |
Painted
Aluminum |
Molded ABS |
Molded ABS |
Molded ABS |
Aluminum
Liner |
Painted Steel |
| Insulation |
US EPA &
SNAP approved |
Polyurethane
Foam |
Polyurethane
Foam |
Polyurethane
Foam |
Polyurethane
Foam |
CFC-Free |
| Lockable Door |
Keyed |
| Porthole |
1" |
3/4" |
3/4" |
3/4" |
1" |
3/8" |
| Legs |
4 Casters with
Leveling Feet |
4 |
4 |
4 |
4 Casters,
2 Leveling Feet |
4 |
| Shelves |
7 Fixed |
6 Fixed |
6 Fixed |
6 Fixed |
4 Adjustable |
4 Fixed |
Shipping
Weight |
250 lbs |
225 lbs |
235 lbs |
275 lbs |
215 lbs |
375 lbs |
| Electrical |
115 V, 60 Hz, 1 Phase, 15 Amp |
| NEMA |
NEMA 5-15 |
| Controller |
Microprocessor, Digital |
| Alarms |
High/Low Temp,
Door Ajar,
Power Failure,
Low Battery,
Sensor Failure,
USB Failure |
High/Low
Temp |
High/Low
Temp |
High/Low
Temp |
High/Low Temp,
Door Ajar,
Power Failure,
Low Battery,
Sensor Failure,
USB Failure |
High/Low
Temp |
| Alarm Relay |
Dry Contacts |
| Data Logging |
Adjustable
Intervals |
— |
— |
— |
Adjustable
Intervals |
— |
| Min/Max Temp |
Display & Reset |
— |
— |
— |
Display & Reset |
Display & Reset |
| Backup Battery |
Only Powers
Alarm |
— |
— |
— |
Only Powers
Alarm |
— |
| Certification |
UL Listed |
ETL Listed,
Energy Star |
ETL Listed |
Energy Star |
UL Listed |
— |
| Labor Warranty |
1 Yr |
2 Yr |
2 Yr |
2 Yr |
2 Yr |
1 Yr |
| Parts Warranty |
1 Yr |
2 Yr |
2 Yr |
2 Yr |
2 Yr |
1 Yr |
Compressor
Warranty |
1 Yr |
2 Yr |
2 Yr |
2 Yr |
2 Yr |
1 Yr |
Product Manual
User manual for So-Low Digital Control Manual Defrost Freezer DHW20-30MDP can be found here.
User manual for So-Low Digital Control Manual Defrost Freezer DHK25-10SD & DHK30-24MDP can be found here.
User manual for So-Low Digital Control Manual Defrost Freezer DHH20-14MDP, DHH20-17MDP & DHH20-20MDP can be found here.
Shipping
- Free curbside delivery (Contiguous United States Only)
- Delivery ETA 5–10 business days
- We also offer white glove engineer delivery with commissioning if required. Please contact us for a quote.
- If you require faster shipping or shipping anywhere other than the contiguous United States, please contact us for a shipping quote.
Warranty
This product comes with a 1-year manufacturer’s parts warranty, a 1-year labor warranty on the unit, and a 1-year warranty on the compressor.
Please note that select models include an extended 2-year warranty. Refer to the individual product specifications to confirm the exact warranty coverage for each model.
Important Notes
The warranty applies only to the original purchaser of a new product.
It does not cover:
- Normal wear and tear
- Damage due to misuse, alteration, tampering, negligence, accidents, lack of maintenance, unauthorized repair, or any other cause beyond the reasonable control of the manufacturer.
If you have any faults with your items, contact us and we will help resolve any issues.
Conditions: Warranty is void if the product is altered, misused, or repaired by unauthorized personnel. Damage from improper maintenance or unsuitable environmental conditions is also excluded.
Important: Product Inspection Upon Delivery
Please inspect all items carefully for any damage that may have occurred during shipping immediately after unpacking and report within 24 hours of receiving the product.
Returns
We at Alto Med Supply are committed to ensuring you are delighted with every purchase. However, if you need to make a return, please reach out to us at support@altomedsupply.com, and we will guide you through the return process.
Here are a few important points to note:
- You have the right to return your order within 14 calendar days of receiving the goods. Beyond this period, returns cannot be accepted.
- Products must be returned unused and in their original packaging.
- Return shipping charges and a 25% restocking fee apply.
- Bespoke items cannot be returned unless damaged or faulty.
For more information, please refer to our Terms and Conditions.
Please view our full returns and refund policy here.
