Reverse osmosis systems and membranes. Filters and filter housings of all sizes. Expert advice on the set up and operation of pure water systems. HIDROTEK BW-4021 REVERSE OSMOSIS MEMBRANE ELEMENT. These RO elements provide premium performance at a budget price.Very low pressure operation and a high quality output. Made from high quality USA sourced flat sheet RO membrane. Fits systems with 4021 (4" x 21") RO membrane elements installed, suitable for window cleaning pure water systems with low operating pressure between 4-10 Bar. 99% nominal (98% minimum) removal of dissolved salt under test conditions (15% recovery, pH 7, 1500 mg/l NaCl solution) meaning your expensive polishing deionisation resin will last much longer. (IMPORTANT NOTE: WINDOW CLEANING AND OTHER SMALL RO SYSTEMS OPERATE AT RECOVERY OF 50% SO THE OVERALL TDS REMOVAL FOR THESE SYSTEMS IS BETWEEN 95-97%). Fits all 4021 housings (NOTE: DOES NOT FIT 4040 HOUSINGS). Replaces all ultra low pressure models - no need for expensive brands that perform equally.
Can also be fitted free of charge in Bristol. A VAT invoice will be attached to the parcel in the address pouch. We normally use Parcelforce 48 h or UPS.Where an item is faulty please be asured that all of your costs will be reimbursed. We will process all damage claims with the carrier and may request that you return the item. The item "Pure water 4021 size low pressure reverse osmosis RO membrane element" is in sale since Thursday, January 23, 2020. This item is in the category "Home, Furniture & DIY\Household & Laundry Supplies\Cleaning Tools\Squeegees & Window Cleaning". The seller is "uk_pure_water" and is located in Bristol. This item can be shipped to United Kingdom.