High Pressure Water Plunger Pump Ceramic Coated Plunger Performed Water Seal& Oil Seal Stable& Durable Quality CE, ISO9001 High Pressure Water Plunger PumpDetailed Description:1. Forged Brass Cylinder2. Anodized Aluminum Crank Case3. Durable Water Seal & Oil Seal4. Stable Ceramic Coated Plunger6. Precise, Hardening Crank Shaft7. Pressure Adjustable8. Water Filter Built-in9. Performed Bearings10. ...