Quikrete® 692203 Quik-Tube® Concrete Forming Tube, 12" Diameter, 4' Length FREEOVER35 Used to increase flue pipe

Used to increase flue pipe size

Provides post pour concrete to wood connection

Eliminates need for different standard & metric combination wrenches

5/16" crown

On hydronic boilers up to 550

Quikrete® 692203 Quik-Tube® Concrete Forming Tube, 12" Diameter, 4' Length FREEOVER35 Used to increase flue pipeThe QUIK TUBE Building Form is a ridged fiber building form tube that eliminates the need to build wood forms. Engineered from multiple layers of high quality fiber laminated with an adhesive, with a special coating which resists moisture and facilitates even curing. Diameter: 12" Length: 4' The QUIK TUBE Building Form is a ridged fiber building form tube that eliminates the need to build wood forms Engineered from multiple layers of high quality