Product Availability
Please provide your e-mail address below to receive a notification when this product becomes available:
XThanks! We'll send you a notification when this product is available!
- Micron Rating
- Media Type
- Reduces Sediment
- Reduces Silt
- Reduces Scale


The Pentek DGD-2501-20 replacement dual-gradient density filter is a 2-in-1 that works as both a pre-filter and post-filter, which eliminates the need for step-down filtration systems in your home. The outer-layer acts as a sediment filter with 25 micron particulate reduction, and the inner-layer further improves your water's quality with an impressive 1 micron rating. Pentek recommends replacing the DGD-2501-20 every 3 - 6 months for optimal performance and efficiency.
Pentek DGD-2501-20 Filter Specifications:
- Part Number: DGD-2501-20; 155360-43
- Capacity: 8,000 gallons; 3-6 months
- Operating Temperature: 40 -145°F
- Flow Rate: 20 GPM @ < 1 psi
- Dimensions: 4-1/2" x 20"
- Micron Rating: 25 pre-filter; 1 micron post-filter
- Resists chemicals and corrosion
- NSF 42 Certified
- For more information, view the product manual
The Pentek DGD-2501-20 replacement fits the following filter housings:
- Ametek, US Filter, Culligan 20" Big Blue housings
- Standard size 20" filter housings with a 4-1/2" diameter
