Muzzys (Pack of Four) Double Seal Flow Through Valve Stem Tire Caps, Inflate Thru for High Pressure Truck Car RV Semi Bus Tires -INFLATE Tires and Check Pressure Without Removing The CAPS!- V2B DS-1

Description Double Seal High Pressure Inflate through Valve cap designed for heavy duty and high efficiency use.

Gauge and inflate valve extensions directly through the cap.

Replaces any standard valve stem cap as well as V2B and DS-1.

Features Made in the USA! Commonly used for Commercial trucks, RV'\u2019s, Trailers and Semi\u2019s but can used on anything with a valve stem.

Valve has two seals and is protected by a solid, all metal housing with a durable, high-temperature-resistant rubber o-ring inside.

Safety feature causes seal to tighten to prevent air loss in case the valve fails.