Shop PTFE Hydrophobic syringe filter for Singleton and Multi-user FPS PreviousUpgrade an original QuadStick to QuadStick FPS NextExtra Singleton mouthpiece PTFE Hydrophobic syringe filter for Singleton and Multi-user FPS PTFE Hydrophobic syringe filter for Singleton and Multi-user FPS $2.00 The Singleton uses one filter. The Multi-user FPS uses four filters. Quantity: Add To Cart Facebook0 Twitter LinkedIn0 Reddit Tumblr Pinterest0
