Rola Chem Flow Meter [Side Mount 6" PVC 400-1050 GPM] (570391S) airblowers Replacing the full 4-pack together

Replacing the full 4-pack together can help restore water clarity and more consistent filter operation

Improves operating flexibility and long-term confidence

Compatible with 2 inch to 2-1/2 inch systems

A correctly selected replacement helps preserve the original control behavior instead of forcing a near-fit substitute into a critical timing role

Kit format supports more complete maintenance

Rola Chem Flow Meter [Side Mount 6" PVC 400-1050 GPM] (570391S) airblowers Replacing the full 4-pack togetherRola Chem Flow Meter [Side Mount 6" PVC 400 1050 GPM] is a side mount PVC flow meter designed to help monitor water flow through compatible pool, spa, or commercial aquatic systems. With a 400 1050 GPM range, it gives technicians and operators a visible reference point for flow verification during setup, balancing, and troubleshooting. Side mount PVC flow meter 400 1050 GPM measurement range Useful for high flow aquatic systems Helps verify flow