O-RING,90 DURO,2.5 X 1.5 [ GENUINE GENERAL PUMP PARTS ]
Amazon.com: uxcell Nitrile Rubber O-Rings 60mm OD 55mm ID 2.5mm Width, Metric Sealing Gasket, Pack of 10 : Industrial & Scientific
Six GE ws03x10038 Compatible Replacement O-rings for 2.5 Inch Housings – Kleenwater
152127 - Pentair Nautilus 18 Inch Tank O-Ring
O-RINGS Part # 2-230 N90 | Allegheny York
Tier1 Replacement O-Ring and Lubricant Kit For Whole House Systems Using a 2.5 Inch Replacement Filter
AO Smith AO-WH-STD-OR-2 - Whole House Water Filter O-Rings 3.44 Inch 9 Cm Actual Diameter Fits Housings Designed for 2.5 Inch Filters - 2 Pack - Amazon.com