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Polymer Filters

Boiler-m8 Defender-2 Polymer Magnetic Heating System Filters lead the way in in heating system protection, with our proven design manufactured from high quality PA66 polymer reinforced with glass fibre, and backed by our 5 Year Warranty. Easy to fit, easy to service, the Boiler-m8 Defender is a high capacity filter that won't let your system down. Available in various connection sizes including 22mm & 28mm compression, and also now in 3/4" & 1" FI BSP
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