Comparison : Item # 12500187/PMT/V75, 1/8 Inch (in) Height, 3/16 Inch (in) Inside Diameter, and 7/16 Inch (in) Outside Diameter Polymyte U-Cup Seal
Item # 12500250/PMT/V75, 1/8 Inch (in) Height, 1/4 Inch (in) Inside Diameter, and 1/2 Inch (in) Outside Diameter Polymyte U-Cup Seal
Item # 12500250250B/PMT/V75, 1/4 Inch (in) Height, 1/4 Inch (in) Inside Diameter, and 1/2 Inch (in) Outside Diameter Polymyte U-Cup Seal
Item # 12500312/PMT/N70, 1/8 Inch (in) Height, 5/16 Inch (in) Inside Diameter, and 9/16 Inch (in) Outside Diameter Polymyte U-Cup Seal
Item # 12500375/PMT/V75, 1/8 Inch (in) Height, 3/8 Inch (in) Inside Diameter, and 5/8 Inch (in) Outside Diameter Polymyte U-Cup Seal