Designed specifically for use with the AirStream, this pack of five spare tube seal O-rings is an essential accessory for maintaining optimal functionality in cable placing operations. Each O-ring is sized at 16 mm, ensuring a perfect fit to create reliable seals that prevent leaks and protect equipment from contaminants. Manufactured by GMP Tools, these O-rings are not just replacements; they enhance the durability and performance of your tools, making them a wise addition for anyone working in the field of cable blower accessories.