Plastiflex 1-1/2" x 200' Backwash Hose | LF500112200PI Discontinued 3" ID at both ends

3" ID at both ends confirms C-7470 is your correct match

When measuring your existing partial grid

Simplified dosing instructions

apply Clear and Perfect at recommended dosage rate to the pool water evenly across the pool surface (see side of bottle for measurement marks)

Plastiflex 1-1/2" x 200' Backwash Hose | LF500112200PI Discontinued 3" ID at both endsLay flat hoses or backwash hoses are swimming pool hoses with a flexible vinyl typically used by home owners and professionals to flush out sand or debris within the filters. Measures 1 1 2" by 200 feet long. Features and Benefits: UV and chemical resistant Roll up flat for easy storage