Description:20" big blue filter housing with single O ring
1.the Max.broken water pressure is 18bars
2.single O ring designing can avoid the water leakge from the top and sides
3.the size of inlet and outlet has 1" and 1-1/2",and aslo has brass connection of inlet and outlet
4.each pc will be packed into common box or color box
5.4pcs will be packed into common box or color box
