Osmio 4.5 x 20 Inch Triple Full Flow Housing

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Buy the Watts 4.5 x 20 Inch Triple Housing, Bracket and Spanner Unit. Please note - no filters are included, this is the housing only, but if you want to make it a complete system, you have the option to add them using the custom options above - just tick to add them!

Our under counter filter housings are manufactured from the highest quality, FDA grade, 100% polypropylene and acrylic styrene.

Leak-proof sealing is accomplished by compression against a top seated EPDM o-ring located in the housing’s sump.

Thick wall and added ribs make the housings ideal for a wide range of applications.

Polypropylene construction provides excellent chemical resistance with most acids, alcohol, ammonia, oils, plating solutions and many aggressive chemicals.

Housings supplied with pressure release valves.

Rated for temperatures to 125°F (52°C) and pressures to 125 psid (8.75 bar).

Additional Information

Model Watts 4.5 x 20 Inch Triple Full Flow Housing
Brand Watts
Daily Deal No
In Depth Port size: 1 Inch (28mm) Female BSP (standard)
Flowmatic® filter housing with buttress threads for 10 in.


Height 750 mm
Width 550 mm
Depth 200 mm
3/4" or 1" BSP Connections available
Maximum Pressure: 200 psi
Maximum Temperature: 120 F (50 C)
NSF Certified