Desicorr Pouches NW (No Window)are designed to protect goods within a sealed moisture barrier package. Easy to insert manually or automatically. No degreasing or cleaning of parts required. Absorb moisture that builds up inside packaging. Feature a breathable membrane, permitting desiccant to absorb moisture more quickly through both sides of the pouch. Are commercially equivalent to MIL-D-3464E, Type I & Type II. Come in several unit sizes for a maximum single pouch protection volume of 1.5 ft3 (42 L) with 23.1-gram moisture absorption capacity at 77°F, 75% relative humidity.