Made of food-grade polypropylene, RO cartridge housings act as the suitable case material for installing reverse osmosis membranes. Available in standard diameter, these PP RO housings have ribbed cap designs along with square-shaped threads. The dual O-ring-based internal design of the RO cartridge ensures maintaining leak-proof sealing. Available in blue color, RO cartridge housings are light in weight and these are completely crack-proof. The advanced design of their internal seal prevents moisture ingress to maintain the original quality of the RO membrane. Quick installation process and dust-proof surface are the key aspects of PP cartridge housings.