NBR O-ring 25 x 3.5mm (OD 32mm) 70 Shore A [50 Pieces] | Tameson.com
O-ring 32 x 3,5mm for PE couping 32mm - Hortispares
uxcell Nitrile Rubber O-Rings 32mm OD 30mm ID 1mm Width, Metric Sealing Gasket, Pack of 30: Amazon.com: Industrial & Scientific
KPE O gyűrű 32 mm - miszlikbolt.hu
Amazon.com: YIXI-SBest 50 Pcs Bronze Assorted Multi-Purpose Metal O Ring for Hardware Bags Ring Hand DIY Accessories - 13mm, 15mm, 20mm, 25mm, 32mm ( O Ring-Bronze)