ROUND EXTENSION COLLAR | SPX1084P Parts and Accessories Top Feed 5″ ports (optional 3″ kit

5″ ports (optional 3″ kit available)

Compatible with Models 300NA & 300LP – Designed for precise fit and performance

Direct OEM compatibility with the S7M400 modular media filter

these cartridges effectively capture fine debris and contaminants while maintaining optimal water flow

Essential for Heater Efficiency: Helps sustain reliable heating performance

ROUND EXTENSION COLLAR | SPX1084P Parts and Accessories Top Feed 5″ ports (optional 3″ kitROUND EXTENSION COLLAR SPX1084P The Hayward SPX1084P Round Extension Collar is an adapter piece that fits onto a Hayward skimmer's throat (the opening where water enters). It plays a role in making sure the skimmer functions properly when pool construction or modifications require additional depth. Extends the Skimmer Throat If a pool has thicker walls (such as when adding new tile, plaster, or vinyl liner), the extension collar increases the skimmers