1.High sensitivity 2.Imported good stainless 3.Low water pressure, ... easy cleaning, no need for glue and bonding Imported good stainless steel, wear resistant, poly resin, APS, ... 20 yearsLow water pressure, scientic water flow, applicable for chicken , hen, ducks in cage or not.Practical, ... the imported ones.None water seepage guarantee dry chicken manure. Sanitory, clean water seeled pipes prevent ...