{"product_id":"pure-freedom-hi-production-40-membrane","title":"PF - HF4 Membranes (40\"\/21\")","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe Pure Freedom Hi Production 40\" Membrane is a high-performance reverse osmosis (RO) membrane engineered to deliver exceptional pure water production for professional window cleaning, vehicle valeting, industrial water purification, and commercial cleaning applications. Designed with an impressive 99% average rejection rate, this 40-inch RO membrane effectively removes dissolved solids, minerals, and contaminants, producing consistently high-quality purified water while maximising system efficiency. Its advanced low-pressure design enables strong permeate flow rates from pressures as low as 3.5 bar, making it an ideal choice for users seeking increased water production without excessive energy consumption.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cp\u003eAverage rejection rate of 99%.\u003cbr\u003e\n21\" \u0026amp; 40\" Sizes Available.\u003c\/p\u003e","brand":"Pure Freedom","offers":[{"title":"40\"","offer_id":55222136308053,"sku":"MEMPF4-4040","price":234.0,"currency_code":"GBP","in_stock":true},{"title":"21\"","offer_id":55222136340821,"sku":"MEMPF4-4021","price":198.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/7907\/8485\/files\/pure-freedom-pure-freedom-hi-production-40-membrane-1.jpg?v=1791282220","url":"https:\/\/securecleaningsystems.co.uk\/products\/pure-freedom-hi-production-40-membrane","provider":"Secure Cleaning Systems","version":"1.0","type":"link"}