18x30x1 Fiberglass Air Filters, AC & Furnace, Glasfloss | Double-strut design

Product Overview

For everyday everyday needs, the 18x30x1 Fiberglass Air Filters, 6-Pack, AC & Furnace, Glasfloss | Double-strut design for 10% greater open area; heavy-duty craftboard frame; disposable, no metal parts; made in USA balances versatile build with thoughtful design. Built with Fiberglass, Paper, measuring 30"L x 18"W x 1"Th. Notable features include keeps air and air moving, contributing to its well-made character.

Key Features

• Keeps air moving: A reinforced double-strut design opens up 10% more surface area than a standard fiberglass filter, so your system pulls air easily while catching everyday dust and lint
• Holds its shape: The fiberglass media is bonded to a sturdy craftboard frame that won't sag or collapse, so the filter keeps a clean seal from the day you install it to the day you swap it
• Actual filter size: Each filter measures 17 5/8 x 29 5/8 x 3/4 inches, slightly under the 18x30x1 nominal size so it fits the slot without binding
• Toss it and forget it: No metal parts inside, so when it's dirty you just pull it out, bag it, and throw it away with the regular trash
• Made in the USA: Glasfloss has been manufacturing air filters in the United States for more than 70 years, so this one's made right here at home

Why Choose the Glasfloss 18x30x1 Fiberglass Air Filters

For long-term furnace filters use, the 18x30x1 Fiberglass Air Filters, 6-Pack, AC & Furnace, Glasfloss | Double-strut design for 10% greater open area; heavy-duty craftboard frame; disposable, no metal parts; made in USA offers user-tested build, keeps air, and long-term value — a combination that pays off over time.

Best For

For users centered on everyday needs, the 18x30x1 Fiberglass Air Filters, 6-Pack, AC & Furnace, Glasfloss | Double-strut design for 10% greater open area; heavy-duty craftboard frame; disposable, no metal parts; made in USA delivers thoughtful design through user-tested construction.

Quick Summary

The Glasfloss 18x30x1 Fiberglass Air Filters is a Furnace Filters product by Glasfloss. Brand: Glasfloss. Material: Fiberglass, Paper. Product Dimensions: 30"L x 18"W x 1"Th. MERV Rating: 3.0. Compatible Devices: Air Conditioner, Furnace. Price: $99.11.

Product Specifications