Liquatec FH45 Series Commercial Filter Housings are manufactured of reinforced polypropylene. Available in 1" and 1.5" connection. Most 4.5" OD x 10" and 20" length cartridges fit easily. Our commercial grade products have excellent chemical resistance and are ideal for many residential plumbing, commercial and light industrial applications. Our superior technology along with our quality control measures in place allow for a cost effective solution for many of your filtration needs. As an economical product this will allow your customers to maximize their profits without jeopardizing quality. These are an excellent substitute for expensive low pressure stainless steel multi cartridge housings. Many cartridge styles available such as Carbon Block, GAC, Pleated and Multi-Depth Polypropylene.