Maintenance Kit for all Pro Mag, Pro Tac Mag, Pro Slim and Pro Tac Slim, Ultra 28 and Ultra 33 Models.
Contains (2) Pro Form Leather Sealing Rings, (2) microphone covers and (2) sets of Interior Foam for battery covers. Easy to use 'Peel & Stick' backing. Special soft foam provides the ultimate in comfort and sound deadening qualities. Conforms for a complete fit for glasses wear. Replacement recommended every 9 to 15 months.