PAKE (Precision) Large Flow Filter has 4pcs PAKE 40" Filter cartridges inside. Pressure level: 150 PSI. A.Fully material of Filter Housing is FRP, other FRP inside accessories are all PAKE(PRECISION) FILTER Has 4pcs (PAKE) 40" filter cartridges. Pressure Level: 150PSInished by SMC method. Non-corrosive, no leakage and could bear high pressure and high temperature. B Filter internal structure design is unique, novelty and reasonable. The customers only need to revolve. The filter cartridge then could be fixed because internal structure has its cartridge positioning function. You do not need to use any tools for change cartridge , it also decrease the time of change cartridge. C. NO.2 Filter is opening with SUS 316 suspension-screws, the design of suspension-screws will provide customers more convenient install and unlock and service.