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- USA
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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
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Description
KEENOVO Pre-formed Spiral & Stretchable Silicone Heater for Pipe Line HeatingDescription: Great flexible heater strip preformed spirally to fit various pipes tubes lines with consistant contact for better temperature uniformity. Easy to wrap around and convenient to use. Can be stretched to different lengths. Keenovo carries a full range of standard and custom designed silicone heaters, contact us if you need a special heater made. Important Notes: Heaters may get super hot. Please handle with care. Lengths (200mm, 400mm,
Description:
- Great flexible heater strip preformed spirally to fit various pipes/tubes/lines with consistant contact for better temperature uniformity.
- Easy to wrap around and convenient to use. Can be stretched to different lengths.
- Keenovo carries a full range of standard and custom designed silicone heaters, contact us if you need a special heater made.
Important Notes:
- Heaters may get super hot. Please handle with care.
- Lengths (200mm, 400mm, 800mm, 1000mm, 1500mm, 2000mm) are measured in their spiral states. Please kindly allow -/+ 10% tolerances here due to manufacturing reasons.
- Best working for tubes/delivery gas lines of 8mm~13mm by OD.
- It's suggested to use them with a timer or controller. Please check our digital controller box for precise temperature control under "Accessories" Category in our store.
- As we receive customer feedback, we do make small alterations to our products if we feel they improve the their performance and stability. The item(s) you receive might reflect some of these slight changes and improvements.
- Do not cut the heater.
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
4.7 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
Rottweiler approved
Color: Purple
My Rottweiler puppies love these bones. I feel good about letting them play with these and not worry they will break or that they can choke because they are durable and a good size and weight. I like the variety and can put peanut butter on the crevices if I want to give as a treat. Worth the money!
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Reviewed in the United States on June 7, 2026
★★★★★ 5
Durable, lightweight, dogs love em
Color: Purple
The most durable, perfect weight,all 3 dogs have the best time chewing them. Easy to unpack and carry around. All 3 dogs enjoy, this is my 2nd time purchasing in a year, they last about 6 months per purchase time
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Reviewed in the United States on May 17, 2026
★★★★★ 5
Perfect for the aggressive chewer
Color: Purple
I purchased these because I have a 1-year-old black lab redbone coonhound mix who destroys every toy and Bone. I have gotten him in a short amount of time... These things have outstanded this little guy and he is still enjoying them!
Keeps him occupied and satisfies his chewing for hours!
And he leaves my shoes alone haha
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Reviewed in the United States on June 10, 2026
★★★★★ 5
Best for all chewers!
Color: Purple, Color: Purple
I purchased in February and waited until ive had them long enough to make a justified review. I have a very VERY aggressive chewer. He destroys every toy he gets within minutes or a hour. We didnt expect much out of these but why not. Let me tell you... they only have small teeth dents. No cracks, no breaks, no chunks missing, none in the trash, no bleeding gums... nothing. My chewer loves them. First day he just stared at them like they were alien objects but after we played fetch a few times it was on!! Now all three dogs chewer on them. I would say im purchasing again but I dont know when that will be lol I highly recommend to anyone!! Photo is taken today 6/4/26
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Reviewed in the United States on June 4, 2026
★★★★★ 4
My pit bull loves them.
Color: Purple
I picked up the Frienhund Tough Dog Toys 3-pack for my large, heavy chewer, and overall I’m pretty impressed. Right out of the box, the toys feel solid and well-made—definitely more durable than your average chew toy. My dog usually destroys new toys within a day or two, but these have held up significantly longer, which is a big win.
They also do a great job of keeping him occupied. The shapes and textures seem to keep his interest, and I’ve noticed less destructive chewing on furniture since introducing these. That alone makes them worth it.
The only reason I’m giving 4 instead of 5 stars is that while they’re very tough, they’re not completely “indestructible” (despite the claim). After a couple of weeks of heavy use, there are some visible wear marks. Still, compared to most other toys we’ve tried, these last much longer.
Overall, a great option for medium to large dogs that are aggressive chewers—durable, engaging, and a solid value for a 3-pack.
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Reviewed in the United States on April 17, 2026