Compare Quick view HARMSCO HARMSCO | STANDPIPE FOR BF900, SS | 646-SS MSRP: Was: Now: $1,001.48 HARMSCO | STANDPIPE FOR BF900, SS | 646-SS parts for STAINLESS STEEL CARTRIDGE FILTERS MODELS: BF450, 600, 900FL, 1200F Add to Cart Add to Cart