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Ships within 48 hours · Estimated delivery Oct 2 - Oct 7
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Description
400,000 BTU Forced Air Propane HeaterThis Mr. Heater 25,0000 40,0000 BTU Propane Forced Air Heater is designed for heavy duty use on the jobsite and comes with all the necessary safety features. It features a factory installed high limit switch and continuous solid state ignition, making it suitable for use on any job. Simply plug it into a 110 Volt outlet, connect the included hose and regulator to a 100 lb. propane tank or larger, and you'll be ready to heat up to 9,000 sq. ft. for up
This Mr. Heater 25,0000 - 40,0000 BTU Propane Forced Air Heater is designed for heavy-duty use on the jobsite and comes with all the necessary safety features. It features a factory-installed high limit switch and continuous solid state ignition, making it suitable for use on any job. Simply plug it into a 110-Volt outlet, connect the included hose and regulator to a 100 lb. propane tank or larger, and you'll be ready to heat up to 9,000 sq. ft. for up to 17 hours on the low setting. With a heating capacity of 250,000 - 400,000 BTU per hour and reliable propane gas operation, this heater is perfect for any professional setting.Features
| Item Weight | 47.5 |
| Area Heated (Sq. Ft.) | 10000 |
| Material | Metal |
| Heater Type | Forced Air |
| Number of Heat Settings | Variable |
| Heating Product Type | Gas Portable Heater |
| Power/Fuel Type | Propane |
| Fuel rate (gallons/hour) | 18.526 |
| Color Family | Blacks |
| Room Size | Extra Large |
| Returnable | 180-Day |
| Product Weight (lb.) | 47.5 |
| Color | Blacks |
| Portable Heater Features | Handle |
| Heat rating (BTU/hour) | 400000 |
| Heater Controls | Thermostat |
| Fuel Tank Capacity (gallons) | 0 |
| Heating Technology Type | Forced Air |
| Indoor/Outdoor | Outdoor |
| Ignition Type | Continuous Spark |
| Run time (hours) | 10.5 |
| Product Width (in.) | 12.83464567 |
| Product Height (in.) | 20.15748031 |
| Product Depth (in.) | 35.03937008 |
| Certifications and Listings | CSA Certified |
| Manufacturer Warranty | 1 Year |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
Great sock liners
Size: Medium, Color: (001) Black / Black / Pitch Gray
Awesome socks. Has little gel pad on top of heel for no slip. Thin and comfortable. Previously Purchased at Nordstrom rack and no longer in stock. Happy to find here
Note: Will shrink a little best to air dry
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Reviewed in the United States on April 16, 2026
★★★★★ 5
Very good product
Size: Medium, Color: (001) Black / Black / Pitch Gray
I purchased these to wear inside lowcut slip on casual shoes, I don't particularly like to not wear socks in my shoes for hygienic reasons. Prior to purchasing these socks, all I could find were those made of very light beige hosiery type material , and my slip on shoes would slide around a bit. These are light weight and breathable athletic type material, with a very good gripper strip at the heel. One pair of my slip on casual shoes have a particularly lower cut in the toe area, but the shoe is black and I chose the black color and though I see a hint of the sock there, it matches and does not detract from the look of the casual solid black shoe
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Reviewed in the United States on May 15, 2026
★★★★★ 5
They stay out! No more sock wads!
Size: Medium, Color: (100) White / White / Mod Gray
Best no show socks ever made!!!!! I've been struggling for 2 years to find ones that actually stay on your foot, even other national brands, and I just became content wearing my sneakers without socks. They ALWAYS slid down into my show & I ended up walking on a wad of sock until I could fix it...or usually just took them off after a couple of tries. Enter Under Armor!!! They a mid weight, but not very thick & still breathable. They work too by actually staying on your foot! Not once have they slid down into my show!! Very comfortable but they could be a little more affordable.
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Reviewed in the United States on August 1, 2025
★★★★★ 5
Love!
Size: Large, Color: (100) White / White / Mod Gray
Ive tried so many no show socks but I love these. This is the 3rd set I've bought. They never slip off and the material is thin and breathable. Perfect for working out.
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Reviewed in the United States on March 2, 2026
★★★★★ 5
True no-show socks that don’t slide down!
Size: Medium, Color: (100) White / White / Mod Gray, Size: Medium, Color: (100) White / White / Mod Gray
This is the first pair of no-show socks I’ve tried that actually don’t slide down into my shoes. Trust me… I have tried lots of different pairs and this is the one! They fit perfectly. They’re not too thick and they’re obviously durable because I wash them after each wear, so daily.
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Reviewed in the United States on March 21, 2026