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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
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Description
FNIRSI SFD?02 4 in 1 Indoor Air Quality Monitor1. Real time HCHO & TVOC Detection 2. HCHO range: 02000? ppm (electrochemical sensor) 3. TVOC range: 010? mg cubic meters (semiconductor sensor) 4. Audible visual alerts when thresholds exceeded; default thresholds: 0. 08? mg cubic meters for HCHO and 0. 30? mg cubic meters for TVOC 5. Comprehensive Air Quality Assessment 6. Displays formaldehyde safety in 5 grades 7. Includes temperature, humidity, and real time clock display 8. Records past data for
1. Real-time HCHO & TVOC Detection2. HCHO range: 0–2000?ppm (electrochemical sensor)
3. TVOC range: 0–10?mg/cubic meters (semiconductor sensor)
4. Audible/visual alerts when thresholds exceeded; default thresholds: 0.08?mg/cubic meters for HCHO and 0.30?mg/cubic meters for TVOC
5. Comprehensive Air Quality Assessment
6. Displays formaldehyde safety in 5 grades
7. Includes temperature, humidity, and real-time clock display
8. Records past data for trend analysis
9. Calculates spatial averages across monitored spaces
10. Estimates remediation time, cost, and materials based on room size
11. 2.4-inch HD tempered-glass display with adjustable backlight
12. Compact and lightweight, 75×45×95?mm
13. Built-in 1000?mAh lithium battery delivers 8–10?h runtime
14. USB-C fast charging (5?V/2?A), fully charged in ~1.5?h
15. Supports operation while charging
Specification:
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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
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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
4.6 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 4
Perfect for what I needed - getting a 2nd one.
Color: Black, Size: 22" - 4 Panel
Putting it together was a BEE-OTCH!! Yes, one of the tubes had the top cap installed at the wrong end (& getting it off required tools), and yes, stretching the fabric to get the screws in was incredibly hard...but am I buying another one? YES! After all is said and done, this is a great room divider. I opted out of installing the paddle feet & it still works perfect. It won't filter light all that great and even though it stands on its own, it can be blown over easily - but for the price? Excellent. If I wanted a heavy duty, thicker, more expensive one, I would've bought one.
The 2nd one is on the way.
Perfect height, no weird smell, nice and light and easy to move around.
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Reviewed in the United States on September 30, 2025
★★★★★ 5
WHERE HAVE YOU BEEN 😊
Color: Grey, Size: 34" - 3 Panel
I purchased RANTILA 3 Panel Room Divider, 6 Ft Tall Folding Privacy Screen Freestanding Room Partition Wall Dividers, 102''W x 20''D x 71''H, Grey. For outdoor use on my patio is perfect . PRIVACY!!! YAY!
It was packaged very carefully. There were no missing parts. Instructions were there but I still had to use the video visually. A few screws would not screw in. So I used a hammer with a few good taps that helped using the screw driver. 😊 It was easy putting it together following the directions. Everything is well made. Love the height, functionality and it’s definitely light it works.
Thank you
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Reviewed in the United States on June 7, 2025
★★★★★ 5
I am happy with the room divider. It does what I intended.
Color: Beige, Size: 34" - 3 Panel
Use a power screwdriver.
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Reviewed in the United States on April 25, 2026
★★★★★ 3
It’s really pretty decent except for one thing.
Color: Grey, Size: 34" - 4 Panel, Color: Grey, Size: 34" - 4 Panel
I bought two of these for my basement and they do look great. They were easy to assemble and I’m happy with them. The problem is that the stitching on the fabric panels are almost the size of a machine basting stitch (which for non sewers means large temporary stitches). Because the panels are tight by design, the stitches had already started to come undone before I could finish assembling everything. Fortunately I can sew and I reinforced all the panels. I had to take the first ones back off the poles to do them but I did the second set before assembling. It’s really not a bad product for the money. It’s quality fabric and the design itself looks great. The stitching looks fine but it’s just not substantial enough for the purpose it is supposed to serve. I can’t imagine why it be sewn so insufficiently. I was able to resolve my issue because I can sew. I wasn’t planning on sewing nor did I really have the time. I could have made it myself but I didn’t want to and that is why I purchased this. I ended up using valuable time. The really unfortunate thing is, I have no other complaints. This is a manufacturing problem.
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Reviewed in the United States on February 3, 2023
★★★★★ 5
Inexpensive walls.
Color: Grey, Size: 34" - 3 Panel, Color: Grey, Size: 34" - 3 Panel
We had a hot request for a workstation in the warehouse with some privacy.
These have worked great. Easy to assemble. They are lightweight and stable.
This was an inexpensive solution that looks professional. Our client loved it.
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Reviewed in the United States on August 1, 2025