Spa Heater Union O-Ring 1.5" 2-Pack | SpaDepot.com
American Standard 9 mm x 1.5 mm O-Ring for Handle 912711-0070A - The Home Depot
NBR O-ring 96 x 1.5mm (OD 99mm) 70 Shore A [20 Pieces] | Tameson.com
53102001 - Lapp Kabel - O-RING, M12, 1.5MM
6mm ID x 1.5mm C/S Viton O Ring. 6x1.5. Choose Quantity. New. Metric. | eBay
X1 Tools Square O-Ring (ID:13 mm, CS:1.5 mm, OD:16 mm), 2PK X1E-CON-ORI-RSQ-M-1.5-13-16x2 | Zoro
10mm ID x 1.5mm C/S Viton O Ring. Choose Quantity. 10x1.5. New. Metric. | eBay
uxcell Nitrile Rubber O-Rings, 25mm OD 22mm ID 1.5mm Width, Metric Sealing Gasket, Pack of 30: Amazon.com: Industrial & Scientific
B1000-1.5X4 Metric O-rings
uxcell Fluorine Rubber O-Rings, 4mm OD 1mm ID 1.5mm Width FKM Seal Gasket for Machinery Plumbing, Green, Pack of 20: Amazon.com: Industrial & Scientific