The PAX 3 Concentrate Insert Replacement Lid & O-Rings kit is the ideal solution for anyone looking to get the most out of their PAX vaporizer. The kit includes everything you need to restore your PAX Concentrate Insert to its optimal and original condition. The five O-rings create a tight seal for improved vape clouds, while the replacement lid covers the concentrate insert for easy and efficient use. By using this kit, you can enjoy your concentrates with the same quality and performance as when you first bought your PAX vaporizer.