H2Out AVD s (Air Vent Dryers) prevent moisture from entering the tank eliminating condensation sludge build up plugged fuel injectors preventing fuel tank and engine corrosion. Fuel and fluid storage without chemical stabilizers is possible now with the H2Out AVD s installed in the air vent lines. When the dryer media which is infinitely reusable changes from blue to pink it s time to dry it out again using just a conventional oven. Features Prevents water damage of fuel tanks and engines Infinitely renewable reusable and easy to reactivateSpecifications Capacity: 60 gal – SKU: FRWS1034.