About us IPW Industries Inc has 17 years of expertise and are members of the Water Quality Association. We stand by our products and service. IPW Industries Inc is known for its quality, superiority, and effectiveness. Our customers mean everything to us. We never compromise on the quality of our products, and each product is individually inspected by us. We provide high-quality replacement water filters. Compatible to Microline CTA-14S RO System Replacement Water Filter Kit With Membrane by IPW Industries Inc. provides a complete one year supply of filters for your CTA-14S reverse osmosis system. This kit includes all pre and post filters as well as the membrane. Kit includes: Qty. 1 - S7011 Compatible Sediment PrefilterQty. 1 - S1224RS CTA RO MembraneQty. 1 - S7025 GAC Postfilter Note: Reverse osmosis membrane needs to be replaced every 2-3 years.