Modesto Plumbing Fixtures and Supplies Mfrs 508 Winmoore Way For over 40 years, Frank Pattern and Mfg., Inc. has been supplying quality materials and quality workmanship to the plumbing industry. We carry a full line of commercial drains, including shower drains, floor drains, deck drains, roof drains, etc. All our products are cast and assembled in Modesto, California USA. Modesto CA Plumbing Fixtures and Supplies Mfrs Frank Pattern and Mfg www.instantset.com instantset instant set frank pattern drain drains commercial drains bathroom cast iron roof drain overflow adjustable floor drain acess covers cleanouts closet ring off-set closet ring plumbing construction building foundry made instantset instant set frank pattern drain drains commercial drains bathroom cast iron roof drain overflow adjustable floor drain acess covers cleanouts closet ring off-set closet ring plumbing construction building foundry made Business Reviews Frank Pattern and Mfg Testimonials