Start of service

2 month plan: Service will be scheduled within a month with this plan.

3 month plan: Service will be scheduled one month after the subscription of this plan.

4 month plan: Service will be scheduled 2 months after the subscription of this plan.

6 month plan: Service will be scheduled 3 months after the subscription of this plan.

You can purchase one time replacement service incase change of air filter is needed before the waiting period of each plan.