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- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 5 - Jul 10
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Description
John Manville R12 Fiberglass InsulationJohns Manville Owens Corning R12 fiberglass insulation provides thermal and acoustical benefits to your home or room. Suitable for use for both vertical and horizontal applications Reduces sound transmission between walls, ceilings and floors and can be used in a variety of wood frame, engineered wood and steel frame construction applications. 3. 5" Thick Easy cut Formaldehyde free Effective resistance to heat transfer Non combustible Will not rot or
Johns Manville/Owens Corning R12 fiberglass insulation provides thermal and acoustical benefits to your home or room. Suitable for use for both vertical and horizontal applications
Reduces sound transmission between walls, ceilings and floors and can be used in a variety of wood frame, engineered wood and steel frame construction applications.
- 3.5" Thick
- Easy cut
- Formaldehyde free
- Effective resistance to heat transfer
- Non-combustible
- Will not rot or deteriorate
- Non-corrosive
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
4.1 ★★★★★
Based on 104 reviews
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Product Reviews
★★★★★ 5
Very sturdy.
Style: Levelers, Size: 10 Pack
Works well, easy to use.
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Reviewed in the United States on March 13, 2026
★★★★★ 5
Sturdy, Simple, and a Must-Have for RV Leveling!
Style: Levelers, Size: 10 Pack
The Tri-Lynx 00015 Lynx Levelers have been a fantastic addition to my RV setup, especially for stabilizing the jacks. These levelers are durable, easy to use, and provide great support, whether I’m parked on gravel, grass, or an uneven surface. Here’s what I love about them:
Design and Durability:
These levelers are built tough! The bright orange color makes them easy to spot, and the interlocking design is straightforward yet very effective. I feel confident stacking them to the desired height, and they stay solidly in place without any shifting or sinking, even under the weight of the RV jacks.
Ease of Use:
One of the best features is how simple these are to set up and take down. They stack quickly and neatly, and I love that I can easily adjust the height by adding or removing levels. They’re much more convenient than traditional wood blocks, and they don’t splinter or deteriorate over time.
Versatility and Stability:
I’ve used these levelers on different types of surfaces—gravel, sand, and even on slight slopes—and they’ve performed well across the board. The stability they provide gives me peace of mind, knowing that my RV is secure and won’t shift during the night. They work great with the jacks, keeping everything stable and level.
Storage and Portability:
The carrying bag that comes with the pack is a nice bonus, making it easy to store them compactly. The pack of 10 is perfect for my needs, providing enough flexibility to handle different setups depending on the terrain.
Small Points for Consideration:
One small note is that these levelers may require a bit of experimentation to get the exact right height when stacking. It’s minor, but worth noting for anyone new to using leveling blocks. Once you get used to the setup, though, it’s smooth sailing.
Final Verdict:
The Tri-Lynx 00015 Lynx Levelers are a must-have for any RV owner. They’re durable, stable, and incredibly easy to use, making leveling and stabilizing a breeze. I’d recommend them to anyone looking for a reliable solution to keep their RV perfectly level and secure. Great value for the price!
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Reviewed in the United States on November 13, 2024
★★★★★ 5
Work great
Style: Levelers, Size: 10 Pack
These are very good for leveling camper at uneven campsites.
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Reviewed in the United States on May 22, 2026
★★★★★ 4
Worked well!
Style: Levelers, Size: 20 Pack
We recently had our first camping trip with our ‘84 RV at a local state park. prior to the camping trip, it had rained a lot. At this park, parking is on grass. I was nervous the heavy RV would sink and we would get stuck so I found these. It was packaged nicely. Easy to figure out how to use. It took a bit to get the RV to back over them but was good once it did. Color is bright. They were stable. A few did “bow” we noticed after we grabbed them out. Came in a nice storage bag and light to carry.
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Reviewed in the United States on July 2, 2024
★★★★★ 5
Good product
Style: Levelers, Size: 10 Pack
I am a truck camper that camps about 4 months of every year and use these blocks to level my truck at each of the various sites I camp. They stack and are stored in a bag so take limited space. The blocks are easy to use, quick to deploy, are fairly durable and work well - I love them! They are a little pricy but worth it to me.
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Reviewed in the United States on August 7, 2025
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