Model 21-80 G/GS/BS Impeller Upgrade Kit - 6 HP length_40 Feet They are an outside screw

They are an outside screw and yoke design with a bolted bonnet and ANSI Class 125 flanged ends

Comes with a two-piece 7-1/2 foot aluminum pole that has push button tilting device to allow the user to position the umbrella in a manner to protect the user from the sun

and Pentair ETI 400 pool heaters

This is a Fluidtrol Clear Acrylic Cover with a center vent for SW and RSW 5 Inch Hair and Lint Strainers manufactured prior to 2009

Tubing is 1/4 Inch x 20 feet in length

Model 21-80 G/GS/BS Impeller Upgrade Kit - 6 HP length_40 Feet They are an outside screwThis is a Speck 21 80 G GS BS Impeller Kit Upgrade Kit for the 6 HP pump. Includes nut and o ring.