‹› Image API Drop Adapter with Sight Glass Markets Petroleum Cargo Tanks Jump to Section Product Options Related Products Product Options Hide lower priority columns Part Number All 4530SG4530SGV4540SG4540SGVSize All 3"4"Seal All Baylast™ flat gasketFKM flat gasketMaterial All Aluminum 4530SG 3" Baylast™ flat gasket Aluminum 4530SGV 3" FKM flat gasket Aluminum 4540SG 4" Baylast™ flat gasket Aluminum 4540SGV 4" FKM flat gasket Aluminum Related Products Image 6200-Series Side-Lever Type Drop Elbow Image API Drop Adapter Image API Drop Adapter Repair Kits Image API Load Only Valve Image API Load/Unload Valve Image Gravity Drop Adapter Dust Cap