Description The 308 CTOMS™ Large Drug Box is a weatherproof, crush resistant container that is tough as nails. The o-ring seals against water and airborne particles and is built to accommodate your choice of 2 separate internal foam inserts or 1 foam insert and internal mesh pocket. The automatic pressure equalization valve insures easy opening after altitude or temperature changes. Items placed within are protected by 2 closed cell foam inserts which can be cut to accommodate a wide range of front-line medications that can be stowed in both the lid and bottom sections of the case. NSN 8145-01-615-4663 Features Protects delicate equipment / medications from water, dust & moisture High Impact ABS, LEXAN®, polyurethane rubber & stainless steel construction Optional nylon mesh lid pouch for storing accessories, included Foam Inserts and mesh lid pouch secured by 3M adhesive tape Automatic pressure equalization valve insures easy opening after altitude or temperature change Stackable, o-ring sealed, lanyard included Proudly made in the USA / Canada Specifications Weights & Dimensions: External Size - L x W x D: (9.10" x 5.90" x 2.90" / 23.11 cm x 14.99 cm x 7.37 cm) Internal Size - L x W x D: (7.90" x 4.70" x 2.60" / 20.07 cm x 11.94 cm x 6.60 cm) Lid Depth: (1.00" / 2.54 cm) Base Depth: (1.60" / 4.06 cm) Enclosure Protection: IP67 Weight - Empty: (0.70 lbs / 317.51 g) Weight - With Inserts: (0.87 lbs / 395 g).) Submersion Test Depth: (16.40 ft / 5.00 m)