Faceplate o-ring for SIREM pumps In stock 8,70€incl. 20% VAT Quantity: Add to basket This faceplate o-ring is found in the SIREM pumps (both one-speed andtwo-speed) that are used in some models of Aquamarine spas. Dimensions Outside diameter: 150 mmInside diametre : 144 mmThickness: 3 mm Part numbersSirem: 4111420035