The Rola Chem Air/Water Tubing [Vinyl 7/16"OD 100ft Roll] is replacement vinyl air/water tubing for compatible Rola Chem and Paradise Industries chemical feeder systems. Tubing is a routine service item that helps move air, water, or chemical-feed flow through the feeder assembly as part of normal equipment operation.This 7/16" OD tubing is useful when existing tubing becomes brittle, stained, cracked, kinked, or difficult to seal. Replacing worn tubing can help support more consistent feeder operation and reduce leak or flow issues. This item is supplied as a 100ft roll; confirm tubing size, length needs, and part number 520116 before ordering. Replacement 7/16" OD vinyl tubing for chemical feeder applications Compatible with select Rola Chem and Paradise Industries systems Useful for replacing brittle, cracked, or worn tubing Supports air/water movement through feeder equipment Confirm tubing size and required length before purchase