A Bell And Gossett A91275 Strainer Gasket Kit designed for GG3/HG3 Suction Diffusers, ensuring optimal performance and protection for your HVAC systems. Real OEM strainer and gasket kits are crafted to meet precise specifications, ensuring optimal performance and peace of mind for your HVAC system. Features. Product Type Strainer Gasket Kit. Application Suction DiffusersSpecifications. Length 1 in. / 2.54 cm. Width 1 in. / 2.54 cm. Height 1 in. / 2.54 cm