4" Platinum Cured Silicone TC Style Gauge Guard Isolator Gasket4.5" ODTemperature Range: -65F to +390FExcellent: Mineral Oils, Ozone, Dry Heat, Mild CausticsPoor: Petroleum Oils, Ketones, Concentradted Acids, Tear Resistance

4" Brown Viton TC Style Gauge Guard Isolator Gasket4.5" ODTemperature Range: +5F to +400FExcellent: Strong Acids, Petroleum Products, Solvents, OilPoor: Hydrocarbons, Ketones, Steam

4" Black EPDM TC Style Gauge Guard Isolator Gasket4.5" ODTemperature Range: -60F to +300FExcellent: Steam, CausticPoor: Petroleum Oil, Milk Fat

SMS DN63 GASKET 2.5" ID EPDMID: 63mm OD: 73mmTemperature Range: -60F to +300FExcellent: Steam, CausticPoor: Petroleum Oil, Milk Fat

3" Blue Teflon 100% Virgin PTFE Tri-Clover Gasket 2.875" ID 3.5" ODTemperature Range: -100F to +500F

Door Circumference ~66" 17.50" ID X 21.50" OD

.625" Black EPDM DIN 11851 Gasket 18mm ID 26mm ODTemperature Range: -60F to +300FExcellent: Steam, Caustic, EthanolPoor: Petroleum Oil, Milk Fat

.75" White Teflon 100% Virgin PTFE Tri-Clover Gasket 0.625 ID 0.875" ODTemperature Range: -100F to +500F

.75" White Silicone Tri-Clover Gasket 0.625 ID 0.875" ODTemperature Range: -65F to +390FExcellent: Mineral Oils, Ozone, Dry Heat, Mild CausticsPoor: Petroleum Oils, Ketones, Concentradted Acids, Tear Resistance

.75" White Buna Tri-Clover Gasket 0.625 ID 0.875" ODTemperature Range: -20F to +200FExcellent: Petroleum Oils, Ethylene Glycol, Milk FatPoor: Aromatic Hydrocarbons, Brake Fluid, Ketones, Strong Acids or Caustics

2.5"" White Buna Metal Detectable Tri-Clover Gasket 2.375" ID 3" ODTemperature Range: -20F to +200FExcellent: Petroleum Oils, Ethylene Glycol, Milk FatPoor: Aromatic Hydrocarbons, Brake Fluid, Ketones, Strong Acids or Caustics