3/8” x 7/8” OD Stainless EPDM Washers, (50 pc) Neoprene Backed, Choose Size & Qty, by Bolt Dropper : Amazon.ca: Industrial & Scientific
1-7/8-in ID x 2-11/16-in OD Dia. Universal Rubber Flat Washer | Lowe's Canada
HENMI Rubber Washer Replacement Parts Fits for Intex Plunger Valves and Strainer Connectors, O Ring kit Includes 1-1/2" O Rings/2-1/4 Step Washers /3-7/8 Flat Gaskets(2 Pack : Amazon.ca: Patio, Lawn & Garden
Danco 7/8-in Rubber Washer at Lowes.com
Rubber Washer For Bulk Head Fittings; 7/8" Hole
Paulin 3/8 ID - 7/8 OD-inch Rubber Washer (1/16-inchThick) | The Home Depot Canada
5/8 Inch Tap Washers (10 Pack) Flat Rubber Physical Diameter : 7/8" / 21.5mm | eBay
Paulin 3/8 ID - 7/8 OD-inch Rubber Washer (1/16-inchThick) | The Home Depot Canada
10 Pack Neoprene Rubber Washer Spacer 7/8" OD x 5/8" ID x 1/8" thick 10 Pack | eBay
RUBBER GROMMET 5/8 X 7/8 561.4431
10Pcs Silicone Rubber Grommet 6/7 /8 9 /10mm Silicone Rubber Grommet Round Rubber Washer Hole Protection Elastic Soft Sealed Double Gasket O Ring (Color : Black Color, Size : SHDS020) : Amazon.ca: Tools & Home Improvement
Oil Resistant Neoprene Rubber Washers 7/8" OD X 3/8" ID X 1/16" Thickness | eBay