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Description
TrolMaster CO2 Alarm Station (Blue light) (AS-4)TrolMaster (AS 4) CO2 Alarm Station (Blue Light) The AS 4 CO2 Alarm Station is an audible visual alarm module that features a Blue light LED display indicator and a LCD digital ppm level display. It is designed to be mounted outside of grow room or grow facilities to monitor the CO2 ppm level. The AS 4 can be linked to either AL 1or AL 2 CO2 sensors channel, or it can be linked to both sensor channels for complete redundancy. The AS 4 will sound an
TrolMaster (AS-4) CO2 Alarm Station (Blue Light)The AS-4 CO2 Alarm Station is an audible-visual alarm module that features a Blue light LED display indicator and a LCD digital ppm level display. It is designed to be mounted outside of grow-room or grow facilities to monitor the CO2 ppm level. The AS-4 can be linked to either AL-1or AL-2 CO2 sensors channel, or it can be linked to both sensor channels for complete redundancy.
The AS-4 will sound an audible alarm and blink the Blue LED indicator in the event of the CO2 level going above the user’ s preferred level set in the Carbon-X main controller.
*Note: The AS-4 requires the SPH-1 for supplemental power.
Features & Benefits:
- Blue LED display indicator
- LED digital reading
- Plug & go
Package Content:
- 1x Alarm Station 4
- 1x 16ft RJ12 Cable
Specification:
- Working Environments: Temperature 32-122°F, Humidity=90%
- Package Dimensions: 130mm(L) x 187mm(W) x 88mm(H)
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
4.4 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
Very smooth and also affordable when buying the 3 bottle set.
Scent: Unscented, Size: 20.3 Fl Oz (Pack of 3)
I just love this lotion. I am 78 years old and need extra moisture daily. I can tell you how this lotion has made such a difference in my mature skin. I use it every morning after a shower and nightly for over night protection. I love that it's unscented and doesn't take away from my cologne that I love, where other lotions overwhelmed my cologne. Anyway I love it so much that I bought the 3 bottle package to have it always on hand. I am very picky with my face lotions and serums and I use this lotion on my face after my serums. It makes my makeup go on so smoothly and seems to help not having to reapply during the day. I just can't say enough about it and this lotion will be my go to body lotion as well. I am constantly getting compliments on how soft and smooth my skin looks and feels and this is saying something when approaching 79 years young!!!
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Reviewed in the United States on August 30, 2025
★★★★★ 5
MY FAVORITE HAND LOTION FOR DECADES
Scent: Unscented, Size: 20.3 Fl Oz (Pack of 3)
This particular version of Vaseline Intensive Care hand lotion is the best on the market. I have used it for decades, and though I have tried to other brands, keep coming back to this. It moisturizes very well, is not greasy and can be used anywhere on the body. Highly recommend!
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Reviewed in the United States on May 26, 2026
★★★★★ 4
Moisture Without the Grease
Scent: Unscented, Size: 20.3 Fl Oz (Pack of 3)
This unscented Vaseline lotion truly provides long lasting moisture for dry skin
It’s rich but absorbs quickly & doesn't leaving greasy or sticky residue.
The only negative is the T-shaped pump head — I find it a bit awkward to use. Still, the formula itself is excellent.
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Reviewed in the United States on February 18, 2026
★★★★★ 5
Good price.
Scent: Unscented, Size: 20.3 Fl Oz (Pack of 3)
Always a good product. Decent price.
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Nice product.
Scent: Unscented, Size: 20.3 Fl Oz (Pack of 3)
A nice product without perfume.
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Reviewed in the United States on May 28, 2026