Shenzhen Milvent Technology Co., Limited 100PCS Black Surfboard Vent Plug,Surfing Board Breathers(1) MIV-12BASEB

Milvent replacement Retro-fit Vent Plug IP67 IP68 IP69K waterproof M12*1.5 vent plug screw-in vents screw vents surfing vent 100pcs/Bag Application: Surfing board, Milvent surfing vent design has the membrane bonded around the circumference using a very specialized process. This vent "breathes" constantly alleviating the need to open and close it. Or in worse case, forgetting to close it! The vent will flow 40 ml/minute max, and SUP\'s over 10\' or hollow boards should use two (mid-board & near tail). Originally, Milvent designed this vent for sealed military electronics, so it meets very stringent spec\'s for a saltwater environment. This vent isn\'t an immunity to heat problem with EPS, and customers should understand that boards still cannot be left in the sun; especially upside down on roof racks. The base have a thread for vent plug to screw into it and O-ring will seal the base to make the product have waterproof function and the vent plug can self-breathable all the time. Here is a link show how to install surfing board vent plug https://www.youtube. com/watch?v=wgt4K8e0 fPU