ECO-WORTHY 24V Submersible Deep Well Water DC Pump Farm & Ranch Submersible Deep Well Pump/Alternative Energy Solar Battery For 4'' wells or larger. Quick disconnect with ''Watertight-Gland'' Design Pat Pend. Stainless Steel Fastener. Corrosion-proof housing with stainless-steel fastener. Pump Design: Positive Displacement 3 Chamber Diaphragm Pump. Motor: Permanent Magnet Thermally Protected. Internal Bypass: 105-110 PSI Max (7.2-7.5BARS). Inlet: 50 Mesh Stainless Steel Screen. Material: High Strength Engineered Plastic.