Beefy Clear Whole-House Filter Housing, 1-Inch NPT Connection, 20-Inch Sump, Clear View Sump With Pressure Relief Button, High-Flow Up To 20 GPM, Fits 20x4.5 Inch Cartridges

Heavy-duty whole-house filtration housing designed for large-scale, high-flow plumbing. It uses a clear SAN sump for on-site visual monitoring of flow and cartridge condition, making it easy to gauge filter life without disassembly. The unit supports 20-inch x 4.5-inch heavy-duty cartridges and features a 1-1/2-inch internal port to maintain up to 20 GPM with low pressure drop. The reinforced polypropylene cap and Buna-N o-ring seal ensure durability in temperatures from 40 to 100 degrees F and up to 90 psi.

✅ 1-in NPT connection supports standard piping

✅ Clear SAN sump lets you visually inspect flow and cartridge life

✅ Built-in pressure relief button for safe depressurization during cartridge changes

✅ Accepts all 20-inch x 4.5-inch heavy-duty cartridges (sediment, carbon, specialty)

✅ 1-1/2-inch internal port enables high flow up to 20 GPM

✅ Reinforced polypropylene cap and Buna-N O-ring seal

✅ Temperature range 40 to 100°F and max pressure 90 psi

💡 What is a 20-inch filter housing used for in home water filtration?

It’s a handy component for protecting plumbing by removing sediment and contaminants before they reach taps.

- High-flow capability for whole-house filtration with a 1-in NPT connection

- Clear sump enables quick checks of flow and cartridge life

- Compatible with 20x4.5-inch heavy-duty cartridges including sediment, carbon, and specialty

- Built-in pressure relief simplifies cartridge changes