Welcome to Frank Pattern & Manufacturing, Inc.
Instant Set® - Since 1946
"Frank Pattern & Mfg. invented the Instant Set (R) connection in 1968. Since then we have been the industry leader in light commercial plumbing drainage products that utilize the mechanical joint pipe connection. There is only one Instant Set (R), and thats Frank Pattern Instant Set (R). We offer top quality cast iron Closet Flanges, Floor Drains, Roof Drains, Area Drains, Floor Access Covers, Cleanouts and other high quality drainage products."