... Pneumatics & Hydraulics Sintered Filter Cartridges Sintered Bronze Filters Elements are made of bronze,stainless steel and ... chemical,pertroleum,metallurgy,air carft,gas,electronic,pharmacy,pneumatic,air regulator components,pressure filter elements,air filters and etc ... working lifeFilter Shape:Could be cartridge filters,disc filters ,cup filters,cap filters,filter palte and etc. Bronze ...