Comparison : Item # P1266SF3010, Standard Weight Flexible Coupling with EPDM "C" Gasket Galvanized Housing UL/FM - 66SF
Item # P1266SF3012, Standard Weight Flexible Coupling with EPDM "C" Gasket Galvanized Housing UL/FM - 66SF
Item # P1266SF3014, Standard Weight Flexible Coupling with EPDM "C" Gasket Galvanized Housing UL/FM - 66SF
Item # P1266SF3020, Standard Weight Flexible Coupling with EPDM "C" Gasket Galvanized Housing UL/FM - 66SF
Item # P1266SF3024, Standard Weight Flexible Coupling with EPDM "C" Gasket Galvanized Housing UL/FM - 66SF