DMK80-0001 — Purolator Defiant Mark DMK80-STD1, 20″ x 20″ x 1″, MERV 8, High Capacity, Air Filter

HVAC filter — DMK80-0001 — Purolator Defiant Mark DMK80-STD1, 20″ x 20″ x 1″, MERV 8, High Capacity, Air Filter

The HVAC filter (manufacturer part DMK80-0001) is a genuine OEM filter available at Cedars HVAC, your trusted source for heating, cooling, and refrigeration parts. We stock this filter for fast nationwide shipping from our Miami warehouse, so contractors, facility managers, and homeowners can get the exact replacement they need without delay.

Product details

The Purolator Defiant Mark 80-D features proprietary MERV 8 Media – Developed to deliver consistent performance. The heart of the product. Purolator medias are manufactured to exclusive specifications produced only for Purolator. Nobody pays more attention to media specifications than Purolator. Rigid requirements for resistance, efficiency, MERV values and dust holding capacity are verified by QC checks on incoming raw materials, production line sampling and field audits of finished goods.

Mechanical Media – Defiant Mark 80-D filters are made with 100% synthetic fibers providing mechanical efficiency to achieve a MERV 8 performance. Defiant Mark 80-D filters maintain a MERV 8 performance before and after a conditioning step. The MERV 8 media has a PVA (Ployvinyl Acetate) adhesive that is not affected by mold or microbial growth. Heavy Duty Beverage Board Frame – Moisture resistant, sturdy frame material stands up to rough handling, difficult service conditions, long service life. The new 7-strap die cut pattern increases contact points between the beverage board and die cut by 50%.

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Why buy from Cedars HVAC

• Genuine OEM HVAC parts — not aftermarket substitutes
• Contractor-friendly pricing on every filter
• Fast nationwide shipping from Miami, FL
• Real HVAC expertise — call us at (305) 850-6693 if you need help confirming compatibility
• Financing available through Affirm and PayPal Pay Later

About this part

This HVAC filter is part of our Filters (Media) catalog. Contact us if you need help identifying compatible models or sourcing volume quantities. For installation guidance, always refer to the manufacturer documentation and consult a licensed HVAC technician where required.

Shipping and returns

Most HVAC filter orders ship the same or next business day from Cedars HVAC in Miami, Florida. Standard ground shipping covers the continental United States, and expedited options are available at checkout. Returns are accepted within 30 days on unopened, uninstalled parts — see our return policy for full details. International shipping is available on request; contact our team for a quote.

Frequently asked questions

Is this part new and in stock? Yes, we list only in-stock items. The HVAC filter ships from our Miami warehouse the same or next business day.

Will this filter fit my equipment? Compatibility depends on the model and revision of your existing equipment. If you need help confirming fitment for the HVAC filter, call us at (305) 850-6693 with your unit model number and we will confirm before you order.

Can I get a contractor or wholesale discount? Yes. Cedars HVAC offers volume pricing for licensed HVAC contractors, property managers, and resellers. Request contractor pricing or call us to set up an account.

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