Waterway Old Faithful 4-3/4" Gray Scallop Jet Complete, 175 GPM Straight Body (210-3927) airinjectors repeat use

repeat use

this cartridge is a fit-specific option for housings that rely on a compact

Useful when original screws are missing or corroded

A bearing helps support smooth turning in a compatible pool-cover reel system

Supports a more complete and dependable internal assembly

Waterway Old Faithful 4-3/4" Gray Scallop Jet Complete, 175 GPM Straight Body (210-3927) airinjectors repeat useWaterway Old Faithful 4 3 4" Gray Scallop Jet Complete, 175 GPM Straight Body (210 3927) is a replacement jet or return fitting component for compatible Waterway Plastics pool and spa systems. It helps restore the visible fitting, water direction, massage action, or internal jet performance when the original piece is worn, discolored, cracked, missing, or difficult to adjust. Jet and return fittings can vary by face diameter, hole size, internal