RJ12 Waterproof Straight-Through Inline Coupler ( 2 Packs ) Coarse Blade Discs * Commercial Buildings: It supports

* Commercial Buildings: It supports safety systems designed to protect occupants and maintain compliance with workplace safety standards

Material/particle size is between 2mm-8mm

Bigger is better in regards to your air compressor in this case

Use to plug unwanted holes or stop the flow of an individual line

RJ12 Waterproof Straight-Through Inline Coupler ( 2 Packs ) Coarse Blade Discs * Commercial Buildings: It supportsThe TrolMaster ECW 1 RJ12 Waterproof Straight Through Inline Coupler is designed to extend the connection between two RJ12 cables, its sealed waterproof connectors prevent water intrusion, thus maintaining a long lasting and stable connection with high performance between controller, sensors and devices. Features IP68 waterproof Package Content RJ12 Waterproof Straight Through Inline Coupler x1