{"title":"Water Filters","description":"\u003ch1\u003e400 GPD Reverse Osmosis Membranes for Aquariums\u003c\/h1\u003e\u003cp\u003eFinerfilters stock the most efficient and versatile reverse osmosis membranes for many aquarium sizes. Our 400 GPD RO membranes are a great option for large fish tanks housing multiple fish and aquatic plants.\u003c\/p\u003e\n\u003cp\u003eThe \u003ca href=\"\/collections\/reverse-osmosis-water-filter-membrane-housings\"\u003emembrane\u003c\/a\u003e system ensures the purest water filtration for your system, powering through 400 gallons or over a thousand litres of water per day, all with a rejection rate of 95%. This keeps your marine life in an optimally balanced environment.\u003c\/p\u003e\n\u003cp\u003eWhatever your \u003ca href=\"\/collections\/fish-tank-water-filters\"\u003efishkeeping\u003c\/a\u003e filtration needs, we have the products for you. Speak with our team today for tips on the right filter options for you.\u003c\/p\u003e\n\u003ch2\u003eOur selection of 400 GPD RO Membranes\u003c\/h2\u003e\n\u003cp\u003eWe supply the leading brands in reverse osmosis filtration. Vontron’s 400 GPD membranes are known for high-accuracy water filtration, removing anything from dissolved solids to waste and harmful compounds in the water.\u003c\/p\u003e\n\u003cp\u003eBy using pressure to push water through pores as small as 0.0001 microns, these filters block out any impurity, including heavy metals. They can last six months to a year, ensuring you have purified water for your fish for a long time.\u003c\/p\u003e\n\u003cp\u003eWe also stock membrane \u003ca href=\"\/collections\/ro-membrane-housings\"\u003ehousings\u003c\/a\u003e that are crafted from durable materials and can be used for \u003ca href=\"\/collections\/reverse-osmosis-membranes-200-gpd\"\u003e200\u003c\/a\u003e and \u003ca href=\"\/collections\/reverse-osmosis-membranes-300-gpd\"\u003e300 GPD\u003c\/a\u003e membranes as well. They are made to handle heavy usage and large amounts of water.\u003c\/p\u003e\n\u003ch2\u003eBuy with Finerfilters today\u003c\/h2\u003e\n\u003cp\u003eWe are here to help you find the right filters for your fish tank at the right price.\u003c\/p\u003e\n\u003cp\u003eFree \u003ca href=\"\/pages\/delivery-policy\"\u003edelivery\u003c\/a\u003e services are available for orders in the mainland of the UK, with international shipping options as well. Try our \u003ca href=\"\/pages\/help-centre\"\u003eonline help centre\u003c\/a\u003e to get in touch with one of our experts and receive guidance on the best fishkeeping filter products.\u003c\/p\u003e\n\u003cp\u003eYou can call today at \u003ca href=\"tel:01704807600\"\u003e01704 807600\u003c\/a\u003e for help with urgent questions about your filter system or your next order.\u003c\/p\u003e","products":[{"product_id":"vontron-400-gpd-reverse-osmosis-membrane-element-ulp3012-400","title":"Vontron 400 GPD Reverse Osmosis Membrane Element ULP3012-400","description":"\u003ch3\u003eVontron ULP3012-400GPD TFC Membrane For Reverse Osmosis Systems\u003c\/h3\u003e\n\u003cp\u003eReverse Osmosis membrane elements contain a preserving solution and should be flushed for 1 hour and the resultant permeate solution discarded before normal operation can be resumed. The elements must be kept moist at all times after initial wetting.\u003c\/p\u003e\n\u003cp\u003eElements should be immersed in a protective solution during storage, shipping or system shutdowns to prevent biological growth and frost damage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Information\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMembrane Type: Polyamide Thin-Film Composite\u003c\/li\u003e\n\u003cli\u003eDimensions:\n\u003cul\u003e\n\u003cli\u003eLength: 12\" \/ 298mm\u003c\/li\u003e\n\u003cli\u003eDiameter: 3\" \/ 73mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eMaximum Operating Pressure: 290psi (20bar)\u003c\/li\u003e\n\u003cli\u003eMaximum Feed Rate: 2.0gpm (7.6 lpm)\u003c\/li\u003e\n\u003cli\u003eMaximum Operating Temperature: 113°F (45°C)\u003c\/li\u003e\n\u003cli\u003eFree Chlorine Tolerance: \u0026lt;0.1ppm\u003c\/li\u003e\n\u003cli\u003eAverage Permeate: 400GPD\u003c\/li\u003e\n\u003cli\u003eStable Rejection: 95%\u003c\/li\u003e\n\u003cli\u003eMin. Rejection: 94%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTesting Conditions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTesting Pressure: 100 psi (0.69MPa)\u003c\/li\u003e\n\u003cli\u003eTemp. of Testing Solution: 25°C\u003c\/li\u003e\n\u003cli\u003eConcentration of Test Solution: (NaCl): 500ppm\u003c\/li\u003e\n\u003cli\u003epH of Testing Solution: 6.5 - 8.5\u003c\/li\u003e\n\u003cli\u003eRecovery of Single Element: 15%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease note:\u003c\/p\u003e\n\u003cp\u003ePermeate of single elements elements may vary within +\/-20%.\u003c\/p\u003e\n\u003cp\u003eFree chlorine can be damaging to the membrane leaves, please ensure that steps are taken to remove as much as possible such as activated carbon pre-filters prior to allowing water to pass through the membrane.\u003c\/p\u003e","brand":"Vontron","offers":[{"title":"Default Title","offer_id":56193565229431,"sku":"MEM-VONTRON-400GPD","price":49.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/9873\/2919\/files\/3012-400_no_bg.png?v=1763356664"},{"product_id":"reverse-osmosis-membrane-housing-for-200gpd-300gpd-400gpd-membranes","title":"RO Membrane Housing for 200, 300 \u0026 400ÊGPD Membranes","description":"\u003cdiv aria-hidden=\"false\" aria-labelledby=\"tab-label-description\" class=\"data item content\" data-role=\"content\" id=\"description\" role=\"tabpanel\"\u003e\n\u003cdiv class=\"product attribute description\"\u003e\n\u003cdiv class=\"value\"\u003e\n\u003cp\u003e\u003cstrong\u003eReverse Osmosis Membrane Housing for 200GPD, 300GPD, 400GPD Membranes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYou are purchasing a high-quality membrane housing for use with 200, 300 and 400GPD membranes.\u003c\/p\u003e\n\u003cp\u003eThis membrane housing can be used to add an additional membrane to your set up which can reduce the amount of waste water.\u003c\/p\u003e\n\u003cp\u003eIt can also be used to replace an existing membrane housing that may be out of service. Quick and simple to install!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Finerfilters","offers":[{"title":"Default Title","offer_id":56193567523191,"sku":"FF-RO-MEM-HSG-LRG","price":15.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/9873\/2919\/files\/membrane_housing_200gpd_1.jpg?v=1763356759"}],"url":"https:\/\/www.finerfilters.co.uk\/collections\/reverse-osmosis-membranes-400-gpd.oembed","provider":"Finerfilters","version":"1.0","type":"link"}