Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
DRI-EAZ F321 Pleated Air Filter for Negative Air Machines - Filters for Negative Air Machines
DRI-EAZFilters for Negative Air Machines

DRI-EAZ F321 Pleated Air Filter for Negative Air Machines

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

Also listed as: F 321 · F-321

Brand
DRI-EAZ
Item
F321 Pleated Air Filter for Negative Air Machines
Part Number
F321
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.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

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 Manufacturer Model Number
F284

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 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 low-grain refrigerant dehumidifier for structural drying after floods or leaks
Basement moisture control — DRI-EAZ model 127890 portable dehumidifier with runtime tracking for water removal in enclosed spaces
Remediation and renovation — DRI-EAZ 127312 negative air machine for particulate filtration and dust containment up to 500 sq ft
Wet debris cleanup — DRI-EAZ F503 cassette filter for HEPA wet-pickup in compatible Dri-Eaz vacuums
Large-area drying — DRI-EAZ F568 axial blower with variable speed and GFCI protection for air movement on wet surfaces
Confined space air circulation — DRI-EAZ F174-BLU axial blower for horizontal-only airflow in restoration and construction drying
Not sure this is the right part? Photo-identify it→

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 →

Compatible alternatives & equivalents

More from DRI-EAZ

View all DRI-EAZ parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first