Waterway F.A.S. 1" Top Access Air Control [Textured Scalloped Assembly] (660-3581) defilters or failed temperature sensors helps

or failed temperature sensors helps restore dependable monitoring

Supports cleaner and more dependable remote control access

It supports the working feel of the jet area and helps maintain the intended flexibility of the setup

The DEX2421J2 kit is a practical hardware replacement for compatible Hayward Pro-Grid filters that need renewed clamp-ring fastening and cleaner long-term retention

A basket like this is useful because it captures debris before it reaches deeper circulation components

Waterway F.A.S. 1" Top Access Air Control [Textured Scalloped Assembly] (660-3581) defilters or failed temperature sensors helpsThe Waterway F. A. S. 1" Top Access Air Control [Textured Scalloped Assembly] (660 3581) is a Waterway Plastics replacement component designed to help manage air flow through compatible spa air control systems. Built for the listed configuration and part number 660 3581, this component helps make targeted equipment repairs easier without replacing a larger assembly unnecessarily. It is useful when the existing air control component is cracked,