Terms and Conditions


Custom Orders – anything we make to custom/non-standard size.

  • Not accepted for return.
    • Includes but is not limited to:
    • Cut pads & Blankets
    • Pleats
    • Purchased Frames
    • Wire

Special Orders – anything we must order from a supplier to fulfill a customer request.

  • Return acceptance based on supplier acceptance or if complementary to our normal product stock offering, subject to all return, restocking, and shipping fees incurred.
  • Includes but is not limited to:
  • Belts
  • • Non-standard filters and/or filter media
  • Specialty filters
  • e.g., HEPA, bag, auto-roll, box, panel, V-Cell, etc.
  • Specialty products such as UVGI, water filters, celdek


Non-PO Walk-in/Call-ahead orders must be pre-paid by credit card.

  • We accept:
  • Visa
    • Mastercard
    • American Express
    • Discover

PO orders – in addition to Credit Card, we also accept ACH/EFT/Wire Transfer and Check:

  • Check Payments
  • Remittance must be sent with check to:

Colorado Air Filter LLC
DBA Super-Tech Filter
1495 S. Platte River Dr
Denver, CO 80223

  • No personal checks accepted.
  • Any charges for returned checks will be billed to the customer.


If there is a problem with your order, please immediately contact your Sales Team Member who will coordinate returns and replacements as needed. Issues must be communicated within 30 days of delivery. Supplier returns subject to additional restrictions. Custom orders are final sale – no returns accepted. Special order return acceptance not guaranteed, based on supplier, subject to return/restocking fee and shipping fees incurred. We gladly accept returns of non-custom or special ordered, undamaged, unused items in their original packaging up to 30 days after receipt, with valid proof of purchase (receipt, invoice, delivery ticket, etc.). Local customers are responsible for bringing the returned item to the local branch or paying for shipping to the branch. All other customers are responsible for return shipping to the branch. No exchanges offered – a new sales order and invoice will be created for the new items.


Returns received within 1 week of receipt – no restocking fee. Returns received 8-30 days of receipt – 15% restocking fee. No returns are accepted after 30 days.


Credit Card refunds will be assessed a 7.5% processing fee.

  • Refunds will be issued against the card from the original transaction, no exception.
    • If the original credit card has expired, a refund will be issued by check.

Check payments will be assessed a $30 processing fee.

  • ACH/EFT/Wire Transfer payments will only be refunded by check.