21x7-12, 23x7-12 Air-Loc Tire Inner Tube JS2 stem for Aircraft Tires on Mowers

Tube will be identified with: ER12, 21/23x7x12 Fits Sizes: 21x7-12, 21x7x12, 23x7-12, 23x7x12 FOR NON-FLYABLE AIRCRAFT AND INDUSTRIAL TIRES ONLY MPN: TU01712