The water heater generates scorching water through technique of heating bloodless water within the within tank. If the water high quality is not nice and includes sediment, particles, etc., after the inside tank is heated to hot temperature for a long time, it is simple to supply scale and trigger blockage, that could not just set off harm to the water heater, but in addition influence the shower. experience. Warm reminder: The pre-filter is installed on the bloodless water of the water heater. It can filter and purify the water from the supply and maintain the water heater. Filters sediment, pink worms, algae and other impurities to double protect washing machines, water heaters, wise toilets, etc. Pre-filtration, anti-scaling and purification of each drop of bath water. The pre-filter can filter most of the big debris and impurities in faucet water and enlarge the provider life of water-related appliances. faucets: Product features: 40um precision filter/strong, transparent, extreme temperature resistant and explosion-proof filter out cup size: eleven x 8 x 5cm Material: pvc colour:B-White Package Contents: 1 x Water Purifier Only the above package content, other item should not included. Note: Light mirrored image and sundry reveals could cause the colour of the item in the photo slightly diversified from the real thing. The size allowed error is +/- 1-3cm.