Navigator Vac Lock Safety Wall Fitting - 1-1/2 Inch MPT - Black filter-length_26 7/16 inches The Rola-Chem 554503 Digital pH

The Rola-Chem 554503 Digital pH Liquid Acid/ORP Liquid Chlorine Controller Package includes two 12 GPD Pro Series Peristaltic Pumps for swimming pools up to 40

Depending on your utility rates

Please note the wording is not 4 inches

closed-cell foam head supports designed with ear holes

Navigator Vac Lock Safety Wall Fitting - 1-1/2 Inch MPT - Black filter-length_26 7/16 inches The Rola-Chem 554503 Digital pHThis is a Hayward W400BBKP Vac Lock Safety Wall Fitting for Navigator Pool Cleaners. The color is Black and the fitting is 1 1 2 inch MPT. Recommended for all pools with a dedicated suction line, the vac lock is a safety device that closes the suction line when the cleaner is not in use. It also holds the hose in place when the cleaner is installed.