The HRO membrane vessel is suited to residential and small scale commercial applications, and able to house most 12" x 1.8" membrane elements. Manufactured from FDA approved polypropylene, the HRO is an NSF listed component. The HRO concists of two injection moulded parts; bowl an dhead with no solvents or glues used int he manufacturing process for improved purity and reduced extractable.Two EPDM O-ring seals between the head and bowl provide a leak-free seal. All ports are 1/8" NPT female thread. The inlet is a straight connection thread, with the permeate and concentrate outlets being positioned at 90 degrees to eliminate the need for additional elbow fittings.People who bought this item also bought: