4-Step 30 Inch Wide Standard Ladder 1.90 x .145 Inch filter-width_16 1/2 inches a blind flange is solid

a blind flange is solid and has no opening

This is a Premier 23-784 Compatible Filter Grid 60 Square Feet measuring 30-3/4 Inches

This adjustable flow pump is rated to pump 100 gallons of chemicals per day at 25 PSI

This is a 30 Gallon Gray Chemical Tank System with 45MP4 Model Fixed Flow Pump

4-Step 30 Inch Wide Standard Ladder 1.90 x .145 Inch filter-width_16 1/2 inches a blind flange is solidThis high quality pool ladder has 4 steps for swimmers to get in and out of your pool. The distance between the front (pool) rail and back (anchor) rail is 30 inches and the overall outside diameter of the rail tubing is 1. 90 inches. Spectrum Aquatics' ladders are passivated in an environmentally friendly citric acid solution that provides a uniform and highly corrosion resistant finish that is further protected by SpectraShield. The 20 inch wide