Learn how to make a DIY respirator mask using an empty plastic Coca-Cola bottle in this easy-to-follow tutorial. We'll guide ...

Valve masks are a type of N95 mask with a one-way valve. The novel coronavirus pandemic brought society a new definition of normal which now includes wearing face masks. While the benefits of masks ...

Look out for one-way valves located in your bilge-pump overboard discharge hose. The intended purpose is to prevent the water left in the bilge hose from flowing back into the boat after the pump ...