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

3G Electric
RFQ CartGet a QuoteSign inSign up
GRAINGER Ring Panel Air Filter: 20 in x 20 in x 1 in, 20 in Section Wd, 1 Sections - MERV 8 Link Air Filters
GRAINGERMERV 8 Link Air Filters

GRAINGER Ring Panel Air Filter: 20 in x 20 in x 1 in, 20 in Section Wd, 1 Sections

The GRAINGER Ring Panel Air Filter is a MERV 8 link air filter measuring 20 in x 20 in x 1 in, with a polyester media material. This 3-ply filter is supplied in a 24-pack and is designed for use in HVAC systems…

SKU 3G-OTH-58950

Brand
GRAINGER
Item
Ring Panel Air Filter: 20 in x 20 in x 1 in, 20 in Section Wd, 1 Sections
Category
MERV 8 Link Air Filters
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

GRAINGER
Manufacturer Part Number
909D91
Type
24 PK
Ply
3
Sections
1
Section Wd
20 in
Media Material
Polyester
Performance Rating
MERV 8
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

GRAINGER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GRAINGER Ring Panel Air Filter is a MERV 8 link air filter measuring 20 in x 20 in x 1 in, with a polyester media material. This 3-ply filter is supplied in a 24-pack and is designed for use in HVAC systems requiring MERV 8 performance.

Frequently Asked Questions

What is the GRAINGER Ring Panel Air Filter used for?

The GRAINGER Ring Panel Air Filter is used in HVAC systems to capture airborne particles such as dust, pollen, and mold spores. Its MERV 8 rating makes it suitable for commercial and industrial environments where moderate filtration efficiency is required to protect equipment and improve indoor air quality.

What are the specifications of the GRAINGER 909D91 air filter?

The GRAINGER 909D91 is a MERV 8 ring panel air filter measuring 20 in x 20 in x 1 in. It features 3-ply polyester media, 1 section with a 20 in section width, and is supplied in a 24-pack. The manufacturer part number is 909D91.

Where to buy the GRAINGER 909D91 air filter worldwide?

3G Electric supplies the GRAINGER 909D91 air filter worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this MERV 8 filter pack.

How to install a GRAINGER ring panel air filter?

To install the GRAINGER ring panel air filter, turn off the HVAC system, remove the old filter, and note the airflow direction arrow on the new filter. Insert the 20 in x 20 in x 1 in filter with the arrow pointing toward the blower. Secure the access panel and restart the system. Replace every 3 months or as needed.

Used in

Common applications for GRAINGER
Commercial HVAC maintenance — Grainger MERV 10 pleated air filters (4YUW7) for office building air handlers
Industrial dust control — Grainger MERV 13 pocket air filters (5M443) for manufacturing facility ventilation
Cleanroom air purification — Grainger MERV 16 V-bank air filters (11Z813) for pharmaceutical production areas
Inspection and emergency lighting — Grainger rechargeable flashlight (49XX75) for plant maintenance walkways
Residential or light commercial HVAC — Grainger MERV 8 link air filters (2DYK9) for apartment complex furnaces
High-efficiency filtration upgrade — Grainger MERV 14 minipleat air filters (20HN64) for hospital operating rooms

GRAINGER Products

3G Electric supplies GRAINGER merv 8 link air filters. 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 →

Similar products

Matched by specification & description
GRAINGER Ring Panel Air Filter: 20 in x 25 in x 1 in, 25 in Section Wd, 1 Sections, 3 Ply, 24 PK (MPN 909D92). Key specifications — Performance Rating: MERV 8; Brand: GRAINGER; Media Material: Polyester.
GRAINGER
GRAINGER Ring Panel Air Filter: 20 in x 25 in x 1 in, 25 in Section Wd, 1 Sections, 3 Ply, 24 PK (MPN 909D92). Key specifications — Performance Rating: MERV 8; Brand: GRAINGER; Media Material: Polyester.
GRAINGER Ring Panel Air Filter: 24 in x 24 in x 1 in, 24 in Section Wd, 1 Sections, 3 Ply, 24 PK (MPN 909D93). Key specifications — Performance Rating: MERV 8; Brand: GRAINGER; Media Material: Polyester.
GRAINGER
GRAINGER Ring Panel Air Filter: 24 in x 24 in x 1 in, 24 in Section Wd, 1 Sections, 3 Ply, 24 PK (MPN 909D93). Key specifications — Performance Rating: MERV 8; Brand: GRAINGER; Media Material: Polyester.
GRAINGER Ring Panel Air Filter: 20 in x 20 in x 1 in, 20 in Section Wd, 1 Sections, 4 Ply, 24 PK (MPN 909D99). Key specifications — Performance Rating: MERV 10; Brand: GRAINGER; Media Material: Polyester.
GRAINGER
GRAINGER Ring Panel Air Filter: 20 in x 20 in x 1 in, 20 in Section Wd, 1 Sections, 4 Ply, 24 PK (MPN 909D99). Key specifications — Performance Rating: MERV 10; Brand: GRAINGER; Media Material: Polyester.
GRAINGER Ring Panel Air Filter: 16 in x 20 in x 1 in, 20 in Section Wd, 1 Sections, 4 Ply, 24 PK (MPN 909DA3). Key specifications — Performance Rating: MERV 10; Brand: GRAINGER; Media Material: Polyester.
GRAINGER
GRAINGER Ring Panel Air Filter: 16 in x 20 in x 1 in, 20 in Section Wd, 1 Sections, 4 Ply, 24 PK (MPN 909DA3). Key specifications — Performance Rating: MERV 10; Brand: GRAINGER; Media Material: Polyester.
GRAINGER Ring Panel Air Filter: 18 in x 20 in x 1 in, 20 in Section Wd, 1 Sections, 2 Ply, MERV 8 (MPN 33E909). Key specifications — Performance Rating: MERV 8; Brand: GRAINGER; Media Material: Synthetic.
GRAINGER
GRAINGER Ring Panel Air Filter: 18 in x 20 in x 1 in, 20 in Section Wd, 1 Sections, 2 Ply, MERV 8 (MPN 33E909). Key specifications — Performance Rating: MERV 8; Brand: GRAINGER; Media Material: Synthetic.
GRAINGER Ring Panel Air Filter: 18 in x 24 in x 1 in, 24 in Section Wd, 1 Sections, 4 Ply, 24 PK (MPN 909DA6). Key specifications — Performance Rating: MERV 10; Brand: GRAINGER; Media Material: Polyester.
GRAINGER
GRAINGER Ring Panel Air Filter: 18 in x 24 in x 1 in, 24 in Section Wd, 1 Sections, 4 Ply, 24 PK (MPN 909DA6). Key specifications — Performance Rating: MERV 10; Brand: GRAINGER; Media Material: Polyester.

More from GRAINGER

View all GRAINGER parts →
GRAINGER Link Air Filter: 24 in x 16 in x 1 in, 16 in Section Wd, 8 Sections, 3 Ply, MERV 8 (MPN 2DWY1). Key specifications — Performance Rating: MERV 8; Brand: GRAINGER; Media Material: Synthetic.
GRAINGER
GRAINGER Link Air Filter: 24 in x 16 in x 1 in, 16 in Section Wd, 8 Sections, 3 Ply, MERV 8 (MPN 2DWY1). Key specifications — Performance Rating: MERV 8; Brand: GRAINGER; Media Material: Synthetic.
GRAINGER Link Air Filter: 16 in x 90 in x 1 in, 90 in Section Wd, 1 Sections, 3 Ply, MERV 8 (MPN 2JUU8). Key specifications — Performance Rating: MERV 8; Brand: GRAINGER; Media Material: Synthetic.
GRAINGER
GRAINGER Link Air Filter: 16 in x 90 in x 1 in, 90 in Section Wd, 1 Sections, 3 Ply, MERV 8 (MPN 2JUU8). Key specifications — Performance Rating: MERV 8; Brand: GRAINGER; Media Material: Synthetic.
GRAINGER Link Air Filter: 20 in x 24 in x 1 in, 24 in Section Wd, 2 Sections, 2 Ply, MERV 8 (MPN 2GGC2). Key specifications — Performance Rating: MERV 8; Brand: GRAINGER; Media Material: Synthetic.
GRAINGER
GRAINGER Link Air Filter: 20 in x 24 in x 1 in, 24 in Section Wd, 2 Sections, 2 Ply, MERV 8 (MPN 2GGC2). Key specifications — Performance Rating: MERV 8; Brand: GRAINGER; Media Material: Synthetic.
GRAINGER Link Air Filter: 25 in x 25 in x 1 in, 25 in Section Wd, 6 Sections, 3 Ply, MERV 8 (MPN 2DXH1). Key specifications — Performance Rating: MERV 8; Brand: GRAINGER; Media Material: Synthetic.
GRAINGER
GRAINGER Link Air Filter: 25 in x 25 in x 1 in, 25 in Section Wd, 6 Sections, 3 Ply, MERV 8 (MPN 2DXH1). Key specifications — Performance Rating: MERV 8; Brand: GRAINGER; Media Material: Synthetic.
GRAINGER Link Air Filter: 24 in x 18 in x 1 in, 18 in Section Wd, 7 Sections, 3 Ply, MERV 8 (MPN 2DWX8). Key specifications — Performance Rating: MERV 8; Brand: GRAINGER; Media Material: Synthetic.
GRAINGER
GRAINGER Link Air Filter: 24 in x 18 in x 1 in, 18 in Section Wd, 7 Sections, 3 Ply, MERV 8 (MPN 2DWX8). Key specifications — Performance Rating: MERV 8; Brand: GRAINGER; Media Material: Synthetic.
GRAINGER Link Air Filter: 20 in x 20 in x 1 in, 20 in Section Wd, 6 Sections, 3 Ply, MERV 8 (MPN 2DWN8). Key specifications — Performance Rating: MERV 8; Brand: GRAINGER; Media Material: Synthetic.
GRAINGER
GRAINGER Link Air Filter: 20 in x 20 in x 1 in, 20 in Section Wd, 6 Sections, 3 Ply, MERV 8 (MPN 2DWN8). Key specifications — Performance Rating: MERV 8; Brand: GRAINGER; Media Material: Synthetic.
GRAINGER Link Air Filter: 16 in x 54 in x 1 in, 54 in Section Wd, 1 Sections, 3 Ply, MERV 8 (MPN 2JRW8). Key specifications — Performance Rating: MERV 8; Brand: GRAINGER; Media Material: Synthetic.
GRAINGER
GRAINGER Link Air Filter: 16 in x 54 in x 1 in, 54 in Section Wd, 1 Sections, 3 Ply, MERV 8 (MPN 2JRW8). Key specifications — Performance Rating: MERV 8; Brand: GRAINGER; Media Material: Synthetic.
GRAINGER Link Air Filter: 24 in x 16 in x 1 in, 16 in Section Wd, 10 Sections, 3 Ply, MERV 8 (MPN 2DWZ2). Key specifications — Performance Rating: MERV 8; Brand: GRAINGER; Media Material: Synthetic.
GRAINGER
GRAINGER Link Air Filter: 24 in x 16 in x 1 in, 16 in Section Wd, 10 Sections, 3 Ply, MERV 8 (MPN 2DWZ2). Key specifications — Performance Rating: MERV 8; Brand: GRAINGER; Media Material: Synthetic.