Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

DRI-EAZ Air Filter: 633 cfm Airflow - Max, Air Filter, 19 in Nominal Ht, 16 in Nominal Wd - Filters for Negative Air Machines
DRI-EAZFilters for Negative Air Machines

DRI-EAZ Air Filter: 633 cfm Airflow - Max, Air Filter, 19 in Nominal Ht, 16 in Nominal Wd

The DRI-EAZ F321 is a single-stage, pleated air filter with a nominal height of 19 inches and width of 16 inches, designed for use with negative air machines. It supports a maximum airflow of 633 cfm and is…

SKU 3G-OTH-723696

Brand
DRI-EAZ
Item
Air Filter: 633 cfm Airflow - Max, Air Filter, 19 in Nominal Ht, 16 in Nominal Wd
Category
Filters for Negative Air Machines
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

DRI-EAZ
Manufacturer Part Number
F321
Type
Air Filter
Stages
1
Nominal Ht
19 in
Nominal Wd
16 in
Filter Type
Pleated
Compatible OEM Part Number
4AYF5
Compatible Manufacturer Model Number
F284
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

DRI-EAZ Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The DRI-EAZ F321 is a single-stage, pleated air filter with a nominal height of 19 inches and width of 16 inches, designed for use with negative air machines. It supports a maximum airflow of 633 cfm and is compatible with part number 4AYF5 and manufacturer model F284.

Frequently Asked Questions

What is the DRI-EAZ F321 air filter used for?

The DRI-EAZ F321 is a single-stage pleated air filter designed for negative air machines. It captures airborne particles in restoration, construction, and industrial environments where airflow up to 633 cfm is required to maintain negative pressure and improve air quality.

What are the specifications of the DRI-EAZ F321 filter?

The DRI-EAZ F321 is a pleated air filter with a nominal height of 19 in and width of 16 in. It has one filtration stage and supports a maximum airflow of 633 cfm. It is compatible with OEM part number 4AYF5 and manufacturer model F284.

Where to buy the DRI-EAZ F321 air filter worldwide?

3G Electric supplies the DRI-EAZ F321 air filter to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this pleated filter for negative air machines.

How to install the DRI-EAZ F321 filter in a negative air machine?

Turn off and unplug the negative air machine. Open the filter access door, slide out the old filter, and insert the DRI-EAZ F321 with the airflow arrow pointing inward. Close the door securely, then restart the unit. Check for proper seal and airflow.

Used in

Common applications for DRI-EAZ
Water damage restoration — DRI-EAZ LGR 7000XLi dehumidifier for structural drying
Carpet and floor drying — DRI-EAZ F505 low-profile centrifugal blower for air movement
Basement moisture control — DRI-EAZ model 127890 dehumidifier for water removal
Air quality improvement — DRI-EAZ 127312 air scrubber for particulate filtration in restoration sites
Industrial drying operations — DRI-EAZ LGR3500i dehumidifier for low-grain refrigerant drying
Equipment maintenance — DRI-EAZ 105627 filter kit for blower particulate filtration

DRI-EAZ Products

3G Electric supplies DRI-EAZ filters for negative air machines. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from DRI-EAZ

View all DRI-EAZ parts
Air Filter: 514 cfm Airflow - Max, Air Filter, 16 in Nominal Ht, 16 in Nominal Wd, 1 in Nominal Dp (MPN F397). Key specifications — Filter Type: Panel/Rigid Cell; Compatible Manufacturer Model Number: F284.
DRI-EAZ
Air Filter: 514 cfm Airflow - Max, Air Filter, 16 in Nominal Ht, 16 in Nominal Wd, 1 in Nominal Dp (MPN F397). Key specifications — Filter Type: Panel/Rigid Cell; Compatible Manufacturer Model Number: F284.
Pre-Filter: 514 cfm Airflow - Max, Pre-Filter, 16 in Nominal Ht, 16 in Nominal Wd, 1 in Nominal Dp (MPN F271). Key specifications — Filter Type: Panel/Rigid Cell; Compatible Manufacturer Model Number: F284.
DRI-EAZ
Pre-Filter: 514 cfm Airflow - Max, Pre-Filter, 16 in Nominal Ht, 16 in Nominal Wd, 1 in Nominal Dp (MPN F271). Key specifications — Filter Type: Panel/Rigid Cell; Compatible Manufacturer Model Number: F284.
Pre-Filter: 533 cfm Airflow - Max, Pre-Filter, 16 in Nominal Ht, 16 in Nominal Wd, 1 in Nominal Dp (MPN F415). Key specifications — Filter Type: Panel/Rigid Cell; Compatible Manufacturer Model Number: F270.
DRI-EAZ
Pre-Filter: 533 cfm Airflow - Max, Pre-Filter, 16 in Nominal Ht, 16 in Nominal Wd, 1 in Nominal Dp (MPN F415). Key specifications — Filter Type: Panel/Rigid Cell; Compatible Manufacturer Model Number: F270.
Air Filter: Air Filter (MPN F518)
DRI-EAZ
Air Filter: Air Filter (MPN F518)