All shipping is UPS Prepay and added to the invoice.

ANY CLAIMS FOR SHORTAGES OR GOODS DAMAGED IN TRANSIT MUST BE MADE WITHIN 3 BUSINESS DAYS OF SHIPMENT ARRIVAL.

Returns must have prior authorization and are subject to a 20% restocking charge.

Our technical support and sales services are available 24 hours a day, 7 days a week by calling our toll free number 1-800-831-1525.

Quality Air Breathing Systems are designed to provide Grade "D" Breathable Air.