Our products require water b₩'÷etween 1-3 kg, usually waφ¶ ♣ter pressure is within this rang ¶e. But if the pressure is higher t♣€₹↔han 3 kg, in order to ensure ☆÷ an ultrafiltration m≤✔embrane filtering effect, you need tγ✔₹o install a pressure reducing ♦π•¶valve in front of the water purifier.φα← If less than 1 kg water±ε→ pressure, water purification machi©☆nes will be very sma §ll amount of water, in order to ensure π€ease of use, you need to ¥★ install a booster pump in front of th✘✔¶e water purifier. Waterσλ through our products, the press$ ↕ure drop of about 0.2 kg, will n​<$↑ot cause any effect, you can rest assur€↑φed that use.