![Ideal Vacuum | #28 O-Ring Joint Pinch Clamp for Sample-Seal Glass U-Tube Liquid Sample Holders, for 12 or 15 mm inner dia. O-Ring Joints. SS. KF-04-080 Ideal Vacuum | #28 O-Ring Joint Pinch Clamp for Sample-Seal Glass U-Tube Liquid Sample Holders, for 12 or 15 mm inner dia. O-Ring Joints. SS. KF-04-080](https://www.idealvac.com/files/images/15_O-ring_JointClamp_2.jpg)
Ideal Vacuum | #28 O-Ring Joint Pinch Clamp for Sample-Seal Glass U-Tube Liquid Sample Holders, for 12 or 15 mm inner dia. O-Ring Joints. SS. KF-04-080
![Uhs 20*28*5 20x28x5 25*33*5 25x33x5 30*40*6 30x40x6 Green Blue Tpu U/y Lip Hydraulic Cylinder Piston Rod O Ring Gasket Oil Seal - Gaskets - AliExpress Uhs 20*28*5 20x28x5 25*33*5 25x33x5 30*40*6 30x40x6 Green Blue Tpu U/y Lip Hydraulic Cylinder Piston Rod O Ring Gasket Oil Seal - Gaskets - AliExpress](https://ae01.alicdn.com/kf/HTB1zw3MOhYaK1RjSZFnq6y80pXaS.jpg_640x640Q90.jpg_.webp)
Uhs 20*28*5 20x28x5 25*33*5 25x33x5 30*40*6 30x40x6 Green Blue Tpu U/y Lip Hydraulic Cylinder Piston Rod O Ring Gasket Oil Seal - Gaskets - AliExpress
![10pcs Yxd Idu 20*28*10 20x28x10 22*30*10 22x30x10 25*33*10 25x33x10 Pu Grooved Hydraulic O Ring Cylinder Gasket Rod Oil Seal - Gaskets - AliExpress 10pcs Yxd Idu 20*28*10 20x28x10 22*30*10 22x30x10 25*33*10 25x33x10 Pu Grooved Hydraulic O Ring Cylinder Gasket Rod Oil Seal - Gaskets - AliExpress](https://ae01.alicdn.com/kf/H89be30d442514d1ea3f26aa784ce6e43G.jpg_640x640Q90.jpg_.webp)
10pcs Yxd Idu 20*28*10 20x28x10 22*30*10 22x30x10 25*33*10 25x33x10 Pu Grooved Hydraulic O Ring Cylinder Gasket Rod Oil Seal - Gaskets - AliExpress
![Amazon.com: uxcell O-Rings Nitrile Rubber, 28mm Inner Diameter, 32mm OD, 2mm Width, Round Seal Gasket(Pack of 50) : Industrial & Scientific Amazon.com: uxcell O-Rings Nitrile Rubber, 28mm Inner Diameter, 32mm OD, 2mm Width, Round Seal Gasket(Pack of 50) : Industrial & Scientific](https://m.media-amazon.com/images/I/51F46I3LZLL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: uxcell O-Rings Nitrile Rubber, 28mm Inner Diameter, 32mm OD, 2mm Width, Round Seal Gasket(Pack of 50) : Industrial & Scientific
![Ideal Vacuum | NW KF-25 to 15mm ID Glass O-Ring Joint Adapter, Stainless Steel, uses No. 28 Joint Clamp SS Ideal Vacuum | NW KF-25 to 15mm ID Glass O-Ring Joint Adapter, Stainless Steel, uses No. 28 Joint Clamp SS](https://www.idealvac.com/files/images/KF-Oring-Adapter_KF-03-100.jpg)
Ideal Vacuum | NW KF-25 to 15mm ID Glass O-Ring Joint Adapter, Stainless Steel, uses No. 28 Joint Clamp SS
![OSK™ O-Rings for Remington 1100 11-87 28 GA & 410 GA Barrel Gas Seals - 12 Pack [K1187-28GA] : The O-Ring Store LLC, We make getting O-Rings easy! OSK™ O-Rings for Remington 1100 11-87 28 GA & 410 GA Barrel Gas Seals - 12 Pack [K1187-28GA] : The O-Ring Store LLC, We make getting O-Rings easy!](https://www.theoringstore.com/store/images/1187orings.png)