Winter Pool Plug with Blow Thru Valve for 1-1/2 Inch Fitting - # 9.5 express-surcharge this Rainbow #905 covers a

this Rainbow #905 covers a wider surface area

The lettering is 5

This Stenner chemical pump #45MFH2A4SUAA provides reliable chemical feeding for your swimming pool

This adjustable flow pump is rated to pump 70 gallons of chemicals per day at 25 PSI

This is a Taylor FAS-DPD Titrating Reagent (Chlorine)

Winter Pool Plug with Blow Thru Valve for 1-1/2 Inch Fitting - # 9.5 express-surcharge this Rainbow #905 covers aThis number 9. 5 pool plug with valve creates a tight seal for a 1 1 2 inch PVC fitting. Includes a blow through valve for inserting compressed air into lines. Open stem plugs (or plugs with blow thru valves) use the same rubber, large wing nuts and corrosion free materials as closed plugs except they have an opening that passes through the center of the stem. They are similar to bike tire valves. This opening allows introduction of air or water