NBR O-ring 33 x 1.2mm (OD 35.4mm) 70 Shore A [50 Pieces] | Tameson.com
Amazon.com: JUN-STORE O-Rings CS5.33mm NBR X Ring ID 21.59/23.16/24.77/26.34/27.94/29.55.33 mm 5PCS Double Acting Seal X-Seals Quad Ring AS568 Standard XRing SENMIAO-TH (Size : ID31.12x5.33mm) : Industrial & Scientific