Tecmark Air Button [Raised Cone 7 8"hs Brown] (PT1 3130 02) skimmers This assembly helps manage internal This assembly helps manage internal skimmer flow behavior and is an important control component in skimmer systems built around that selector style design This product is especially useful when the project does not require a full case pack or when only one tube is needed for a targeted sealing task This raised cone brown button is used with air switch systems to send a pressure signal through air tubing rather than direct electrical contact at the button location and other low voltage or remote actuation setups