--- product_id: 11824549 title: "NaturalAire SM1006 Cut-to-Fit Synthetic Air Filter, MERV 4, 20 x 30 x 1-Inch, 6-Pack, Color may vary" brand: "flanders" price: "$490.15" currency: USD in_stock: true reviews_count: 13 category: "Flanders" url: https://www.desertcart.us/products/11824549-naturalaire-sm1006-cut-to-fit-synthetic-air-filter-merv-4 store_origin: US region: United States of America --- # MERV 4 dust & pollen filtration Washable & reusable up to 1 year Cut-to-fit versatility NaturalAire SM1006 Cut-to-Fit Synthetic Air Filter, MERV 4, 20 x 30 x 1-Inch, 6-Pack, Color may vary **Brand:** flanders **Price:** $490.15 **Availability:** ✅ In Stock ## Summary > ♻️ Cut, Clean, Repeat — The Filter That Fits Your Life ## Quick Answers - **What is this?** NaturalAire SM1006 Cut-to-Fit Synthetic Air Filter, MERV 4, 20 x 30 x 1-Inch, 6-Pack, Color may vary by flanders - **How much does it cost?** $490.15 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/11824549-naturalaire-sm1006-cut-to-fit-synthetic-air-filter-merv-4) ## Best For - flanders enthusiasts ## Why This Product - Trusted flanders brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **No Frame, No Fuss:** Rigid synthetic construction holds shape without needing a frame—simple install, instant protection. - • **Bulk Pack Convenience:** Six filters per pack ensure you’re stocked for the year, avoiding last-minute filter hunts. - • **Custom Fit, Zero Hassle:** Easily trim to any size up to 20x30 inches with scissors or a razor for perfect compatibility. - • **Eco-Friendly & Cost-Savvy:** Washable synthetic fibers let you reuse filters multiple times, saving money and reducing waste. - • **Breathe Cleaner, Live Better:** MERV 4 rating efficiently traps household dust, pollen, and lint for fresher indoor air. ## Overview The NaturalAire SM1006 is a 6-pack of synthetic, cut-to-fit air filters sized 20x30x1 inches with a MERV 4 rating. Designed for easy trimming and installation without frames, these washable filters trap dust, pollen, and lint, maintaining efficiency for up to one year. Ideal for hard-to-find specialty sizes, they offer a reusable, eco-conscious solution for cleaner home air. ## Description Product Description The Flanders Smilie Cut-to-Fit Synthetic Air Filter is an ideal replacement for any hard to find specialty filters. Easily cut the 20-inch by 30-inch filter to size with shears or a razor knife. This air filter holds its shape and requires no frame support. Simply cut to size and install. It is washable and reusable, maintaining efficiency for up to 1 year. With a MERV (Minimum Efficiency Reporting Value) 4 rating, household dust, pollen, and lint are removed from your air space. From the Manufacturer The Flanders PrecisionAire SM1006 can be cut with heavy shears or a razor knife to create almost any size one- inch air filter for furnace and central air, up to 20X30 inches. It is springy, almost rigid and needs no frame for support. Just cut and install. Moreover, it can be washed and reused several times. It is the ideal replacement for hard to find or special filter sizes. Review: Good product. - We used for years. We just installed new Hvac this week and they are not recommend for unit. We were going to return, but would cost over 20 dollars to return a 58 Dollar box. So we will keep and maybe some one will need them. Review: Great furnace filter - I live in a Modular home and this filter works GREAT for my furnace. ## Features - Pack of 6 reusable air filters made of synthetic fibers - MERV 4 rating: Removes household dust, pollen, and lint - Air filter can be cut to size using heavy shear or a razor knife - Filter maintains efficiency for up to 1 year - Ideal replacement for hard to find specialty filters measuring 20" x 30" or smaller ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B008LR9S6Q | | Air Filter Construction | Pad/Roll | | Best Sellers Rank | #107,720 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #634 in Furnace Filters | | Brand | Flanders | | Brand Name | Flanders | | Common Applications | Appliances, Residential | | Compatible Devices | Furnace | | Customer Reviews | 4.6 out of 5 stars 903 Reviews | | EU Spare Part Availability Duration | 1 Years | | Filter Shape | Rectangular | | Global Trade Identification Number | 00031949154660 | | Included Components | Filter | | Item Dimensions L x W x Thickness | 30"L x 20"W x 1"Th | | Item Type Name | Washable Filter | | Item Weight | 4.1 Pounds | | MERV Rating | 3 | | Manufacturer | Flanders Corporation | | Manufacturer Part Number | SM1006 | | Material | synthetic | | Material Type | synthetic | | Model Number | SM1006 | | Number of Items | 6 | | Product Dimensions | 30"L x 20"W x 1"Th | | Product Grade | new | | UPC | 031949154660 | | Unit Count | 6.0 Count | ## Product Details - **Brand:** Flanders - **Material:** synthetic - **Product Dimensions:** 30"L x 20"W x 1"Th - **MERV Rating:** 3 - **Compatible Devices:** Furnace - **Item Weight:** 4.1 Pounds - **Global Trade Identification Number:** 00031949154660 - **UPC:** 031949154660 - **Number of Items:** 6 - **Manufacturer:** Flanders Corporation ## Images ![NaturalAire SM1006 Cut-to-Fit Synthetic Air Filter, MERV 4, 20 x 30 x 1-Inch, 6-Pack, Color may vary - Image 1](https://m.media-amazon.com/images/I/71HNcwcGDYL.jpg) ![NaturalAire SM1006 Cut-to-Fit Synthetic Air Filter, MERV 4, 20 x 30 x 1-Inch, 6-Pack, Color may vary - Image 2](https://m.media-amazon.com/images/I/4165AUEpfoL.jpg) ![NaturalAire SM1006 Cut-to-Fit Synthetic Air Filter, MERV 4, 20 x 30 x 1-Inch, 6-Pack, Color may vary - Image 3](https://m.media-amazon.com/images/I/41zY85ruBHL.jpg) ## Available Options This product comes in different **Size, Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good product. *by A***R on May 2, 2025* We used for years. We just installed new Hvac this week and they are not recommend for unit. We were going to return, but would cost over 20 dollars to return a 58 Dollar box. So we will keep and maybe some one will need them. ### ⭐⭐⭐⭐⭐ Great furnace filter *by D***E on February 22, 2026* I live in a Modular home and this filter works GREAT for my furnace. ### ⭐⭐⭐⭐⭐ Got exactly what I wanted and quick shipping too *by F***R on December 24, 2025* Exactly what I needed. I highly recommend ordering from Shield Maintenance Supply. Would much rather order this type of stuff from a company based in the US. Shipping was quick! My order was scheduled to be delivered after the holidays, early January 2026, but was delivered on Dec 24, 2025. Price was economical as well. Thank you so much! ## Frequently Bought Together - NaturalAire SM1006 Cut-to-Fit Synthetic Air Filter, MERV 4, 20 x 30 x 1-Inch, 6-Pack, Color may vary - everydrop by Whirlpool Ice and Water Refrigerator Filter 1, EDR1RXD1, Single-Pack , Purple - Amazon Basics 48-Pack AA Alkaline High-Performance Batteries, 1.5 Volt, 10-Year Shelf Life --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/11824549-naturalaire-sm1006-cut-to-fit-synthetic-air-filter-merv-4](https://www.desertcart.us/products/11824549-naturalaire-sm1006-cut-to-fit-synthetic-air-filter-merv-4) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-05*