Peide supply UV sterilizers, self cleaning filter, automatic self cleaning brush filter, automatic sucking type self cleaning filter, automatic back-flush filter, electronic water descaler, cooling tower descaler, ion bar, condenser tube cleaning system, industrial multi-cartridge filter housing, ultrasonic algae controller, chemical dosing system, bag filter housing, cartridge filter housing, sand filter, sand media filters, by-pass water treatment device, vacuum deaerator, medium pressure UV sterilizer, water softener, bernoulli water filter, constant pressure&make-up water system, submersible UV sterilizer, iron and manganese filter, air and dirt separator, etc.