Costco has 3M brand furnace filters on sale for $59.99 (Reg. $74.99) save $15.00. There are various sizes in MPR 2200 which is MERV 13 equivalent. As always, costco online prices include shipping. These filters are probly too air restricting for a lot of furnaces, make sure you check your specs.
I had a discussion a few days ago with some fellow Red Flag Dealers (is that what we’re called?) about using these filters with a box fan to build a DIY air filter system, referred to as a “Corsi Rosenthal Box”. That is what I will be attempting to do with these filters. I read that Canadain Tires “For Living” brand box fan performance really well in this systems.
Statistics: Posted by TheDudeAbbides — Feb 5th, 2026 11:06 am
Forza Horizon 6 – XBOX Series X
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DJI Osmo Pocket 4 Creator Combo, Pocket Gimbal Vlog Camera, 1″ CMOS & 4K/240fps, 3‑Axis Stabilization, 2× Lossless Zoom, 107GB Built-in Storage, Mic 3 Transmitter, Fill Light, Osmo Mini Tripod
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WiFi Extender Signal Booster, Ultra Fast 1200Mbps WiFi Extender with Ethernet Port for Home Covers Up Seamless Coverage Up to 10000 Sq. Ft. with Dual-Band Boost White
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Wired Earbuds Headphones for iPhone, Hi-Res Extra Bass Earphones, HiFi-Audio Stereo Noise Isolating with Mic+Volume Control Compatible with iPhone 14/14 Pro Max/13/12 Mini/SE/11/X/XS Max/XR/8/7 Plus
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Wireless Earbuds Bluetooth 5.4 Headphones, Noise Canceling Ear Buds with 75hr Playtime, LED Power Display, IPX7 Waterproof Earphones Over Ear Earphones for Sports/Workouts
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Monster N-Lite 203 AirLinks Wireless Earbuds, Bluetooth Headphones with HiFi Stereo, Crystal Clear Call, 30H Playback, Touch Control, IPX6 Waterproof in-Ear Earbuds Earphones for Sports Home
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Introducing Blink Wired Doorbell 2K+ — Head-to-Toe 2K video doorbell, continuous hardwired power, pair with Alexa or Blink Chime (sold separately) required for in-home alerts
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PRAGMATA – Playstation 5 – PRAGMATA; sci-fi action-adventure; space exploration; puzzle-solving; single-player; PlayStation 5; PS5; immersive narrative; futuristic environment Edition
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DualSense Wireless Controller – 007 First Light Limited Edition
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2 Pack USB C Headphones Earbuds for iPhone 17/16/Plus, Type C Earbuds Wired Earphones (Microphone & Remote Control) Noise Cancelling for iPhone 15 Pro Max, Galaxy S23/S22/S21/Ultra Note 20, Pixel
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Amazon Fire TV Stick 4K Max (newest model), streaming device, supports Wi-Fi 6E, free & live TV without cable or satellite
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JBL Tune 770NC – Adaptive Noise Cancelling with Smart Ambient Wireless Over-Ear Headphones, Bluetooth 5.3, Up to 70H Battery Life with Speed Charge, Lightweight, Comfortable & Foldable Design (Black)
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GameSir G7 Pro Wired Controller for Xbox Series X|S, Xbox One, Wireless Gamepad for PC&Android with TMR Sticks, Hall Effect Analog Triggers, 1000Hz Polling Rate, 3.5mm Audio Jack – Black
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Amazon Fire TV Stick 4K Plus (newest model), streaming device, hundreds of thousands of movies and TV episodes, supports Wi-Fi 6, watch free & live TV
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B-7000 Glue, Multipurpose Craft Glue Industrial Strength Adhesive Clear Semi Fluid for Bonding Phone Screen Tablet Jewelry Rhinestones DIY Electronic Components Repair Glass Metal (4×15 ml/0.5 oz)
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Scotch Magic Tape, Invisible, Back to School and University Essentials for Students and Teachers, 6 Tape Rolls With Dispensers, 19 mm x 21.5 m
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TP-Link Tapo Smart Pan/Tilt Indoor Security Camera, 360° Motion Tracking, 1080p Full HD WiFi Camera for Pet/Baby, Night Vision, 2-Way Audio, 128 GB Local Storage, Works w/Alexa & Google (Tapo C200)
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PlayStation 5 – DualSense Edge Replaceable Stick Module Edition
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Lexar D40E 128GB Dual USB 3.2 Gen 1 Type-C Jump Drive, USB-C Flash Metal Housing Swivel Design Thumb Drive (Champagne Silver)
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