The Master Batt products are available in three variations, each designed for different size and functional needs. These include the GAP0061 (15mm), GAP0062 (22mm), and the largest model, GAP0063 (28mm), Each variation offers a secure and robust solution, ensuring compatibility with various installations, making the Master Batt range versatile and reliable for diverse industrial or technical applications. The inclusion of the air vent in the 28mm model adds an extra layer of functionality, catering to specialized needs.