Waterway Square Collar [Ingr Vinyl Liner Skmr Long] (519-9490) littlegiant A spa or pool filter

A spa or pool filter cartridge helps the circulation system remove suspended debris so water can stay cleaner during routine use

alignment-friendly connection

and 155A heater applications where the supported over-temperature protection component needs replacement

making it especially practical when the jet area needs both cosmetic renewal and correct replacement functionality

Smaller center cores help support cartridge alignment and internal stability in lower-capacity filter models

Waterway Square Collar [Ingr Vinyl Liner Skmr Long] (519-9490) littlegiant A spa or pool filterWaterway Square Collar [Ingr Vinyl Liner Skmr Long] is a genuine style replacement component from Waterway Plastics designed to support skimmer performance, basket fit, and reliable debris collection. For pool and spa equipment repairs, small parts like this can make a meaningful difference in how well the system seals, fits, and operates after service. It is a practical replacement choice when an original skimmer component is worn, missing, cracked,