REPLACE willett spare parts 1.Model No:PRW-001 2.Replace: 500-0047-130 3.Suitable: WILLETT 430 4. 5 Micron REPLACE willett spare parts1.Shipping terms: the same day when we receipt of the payment, we always sending goods by FEDEX, UPS, DHL, TNT,EMS, ARAMEX etc. by the way ,we have FEDEX and TNT, they can give us 50% discount.2.Payment terms: 100% advance payment, you can pay me by T/T ,WESTUNION, ...