(AMPMECH) CLARK RELIANCE JERGUSON GASKET LEVEL GAUGE SERIES 20/32/L10, V13143-7. Condition is "New". GASKET FOR LEVEL GAUGE SERIES 20 & 32SIZE: 7MATERIAL: GRAFOIL, SS REINFORCEDDIM: 280 MM X 34 MM *JERGUSON USES A LAMINATED GRAPHITE WITH 0.002" 316SS SHEET REINFORCEMENT. JERGUSON HAS EXTENSIVELY TESTED UN-REINFORCED GRAPHITE, AND HAS FOUND THAT IT WILL NOT HOLD UP TO PRESSURE CYCLING CONDITIONS, AND IS NOT RECOMMENDED.