Image The CKSA™ and CKDA™ seals are designed to fit the full six bearing frame range of the AhlstarUP pump models. Click to Download Installation GuideYDR-CKDA.pdf Installation GuideYDR-CKSA.pdf Find More Product Resources Find more CKDA resources Find more CKSA resources Related Products Glandless cartridge double seal to suit Ahlstar UP pumps Glandless cartridge single seal to suit Ahlstar UP pumps