Features of 20" big blue filter housing:

Constructed of reinforced polypropylene.
Both for residential and commercial use,
With relief, white housing white cap.
Inlet/Outlet: 3/4", 1", 11/4", 11/2"

Operating Data:
Max. Pressure: 125 psi
Max. Temperature: 120F (50C)
Bursting Pressure: 500 psi
Cycle Test: 0-150 psi, 100, 000 cycles
Warning: Don't expose filter housing to sunshine.