Legend 108-906A Replacement Cartridge For Improved Flow 6” Frost Free T-550A Sillcock 

Note The “A” Has ONE o-ring and two tabs at the end of the cartridge (If Yours Differs You Will Need The “AR”) 

Specifications: 
Fits Sillcock Length 6” 
Cartridge Length Without Handle 9-3/4” 
Cartridge Length With Handle 10-1/2"” 

The T-550A IMPROVED FLOW I.D. disc is Black with Silver "LEGEND" lettering and includes the patent marking Pat. 5.392.805 D527.797. The inlet connection is straight, with a round, knurled wrench pad, verses wrench flats.