Comparison : Item # 805ST (1") NP, 1 Inch (in) Inside Diameter (A) Nickel Plated Finish Split Snap O-Ring
Item # 805ST (2") NP, 2 Inch (in) Inside Diameter (A) Nickel Plated Finish Split Snap O-Ring
Item # 805ST (3") NP, 3 Inch (in) Inside Diameter (A) Nickel Plated Finish Split Snap O-Ring