ADDRESS: 515 N. Fairview St, Santa Ana, CA 92703 | PHONE: (714) 541-6600 | SHOP NOW


Watts - HD4500 - Flowmatic 10" Full Flow Black Blue Heavy Duty Housing 3/4" NPT

Product Code HD4500BL34

Shipping calculated at checkout.

This Flowmatic 10 inch blue filter housing is a heavy duty housing made using high quality FDA grade polypropylene. It features thick side walls with heavy duty reinforcing ribs for greater strength. It provides superior resistance to many aggressive chemicals. A buttress thread design ensures superior sealing and security, while compressible EPDM O-rings in the cap, sump and top seat provide an added measure of sealing. Comes with pressure relief valve. The housing is for 2 1/2 IN x 10 IN filter cartridge. The inlet and outlet ports are 3/4 IN NPT.


  • Temperature range 40 degrees F (4 degrees C) to 100 degrees F (37.8 degrees C)
  • Maximum pressure 100 psi
  • Includes pressure relief valve
  • Resists most acids, alcohol, ammonia, oils, and plating solutions
WARNING: This product can expose you to chemicals including n-Hexane which is known to the State of California to cause cancer and birth defects and birth defects or reproductive harm. For more information go to