







💧 Elevate your home's water game—because clean water is the new luxury.
The iSpring HB28B is a robust, universal 20" x 4.5" whole house water filter housing designed to protect your home’s plumbing and appliances by filtering out sediment and particles. Constructed from reinforced polypropylene for durability and chemical resistance, it features a high-flow 1" NPT port design for efficient water distribution, a built-in pressure release button for safe filter changes, and comes with a wrench for easy maintenance. Ideal for professional-grade whole home filtration systems, it supports up to 2000 PPM TDS and ensures hassle-free, long-lasting water protection.





| Brand | iSpring |
| Package Information | Cartridge |
| Installation Type | Under Sink |
| Model Name | HB28B |
| Shelf Life | 6 Months |
| Supported Water TDS Level Maximum (PPM) | 2000 |
| UPC | 662425063437 |
| Global Trade Identification Number | 00662425063437 |
| Manufacturer | iSpring |
| Filter Life Cycle | 6 Months |
| Part Number | HB28B |
| Item Weight | 1 pounds |
| Product Dimensions | 7.2 x 7.2 x 23.4 inches |
| Country of Origin | USA |
| Item model number | HB28B |
| Size | 2 Piece Set |
| Color | Blue |
| Style | 20'' Water Filter Housing |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Batteries Included? | No |
| Batteries Required? | No |
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