Skip to main content
Allergen Defense Red Micro Pleated Air Filter, 3 Months, Single Pack, 18x20x1-In.

Roll over image to zoom in

3M 9845-4PK Allergen Defense Red Micro Pleated Air Filter, 3 Months, Single Pack, 18x20x1-In.

Item #: 9845-4PK by 3M

UPC #: 51141909783

See reviewsSee reviews
In Stock

$18.42

/each
SAVE UP TO 1.84

Buying in bulk

QUICK SHIPPING*Usually ships in 1 business day
QTY
+
+ Add to Wishlist
Buy in Bulk & Save - See How Watch Now

Shop with Confidence

30 Days Easy Return. We are the largest supplier of the most adaptable, personalized hardware in the industry. We work hard to ensure you're satisfied with our products.

Features

Height

20.00

Product Weight (lb.)

0.52

Brand

3M

Product Width (in.)

20

Longevity (months)

3

Nominal Filter Size (HxWxD)

18x20x1

Width

18.00

MERV Rating (Minimum Efficiency Reporting Value)

MERV 11

Sub Brand

Filtrete

Country Origin Code

MX

Length

1.00

Air Filter Type

Electrostatic

Product Height (in.)

1

Product Length (in.)

18

Furnace Filters Product Type

Furnace Filter

Filter Frame Material

Cardboard

Hazardous Material

No

Product Overview
18" x 20" x 1", Red, Micro Filtrete Filter, 3 Month Filter Is 90% Effective At Capturing Large Allergens Like Mold Spores & Pet Dander, Electrostatically Charged, Captures Microscopic Allergens Like Dust, Smoke & Smog, Captures Bacteria & Particles That Can Carry Viruses, Meets The Guidelines Of The American Lung Association Health House Program, MPR Rating 1000, Lasts Up To 3 Months.