Fittings Dom C.S. Flanges Fittings Dom C.S. Flanges quantity Add to cart Add to quote SKU: FDCSF34156 Category: Uncategorized Description Description 3″ 300# FS RF Weldneck Flange XH Bore – Domestic **** 300# / 300# / 300# **** ***** XH BORE / XH BORE ****