Best in 7 days
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Ships within 48 hours · Estimated delivery Jun 19 - Jun 24
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Description
Neptune Apex FMM Optical SensorNeptune Apex FMM Optical Sensor Overview This sensor plugs into your FMM and, using reflected infrared light, will signal your Apex when it changes state from being wet to dry or dry to wet. This sensor can be used for constructing your own ATO (auto top off), as a high level warning sensor in your sump, water storage level sensor, and much more. The sensors can be mounted into custom brackets or through a hole in a vessel. Included are a fastening
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
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.2 ★★★★★
Based on 2015 reviews
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Product Reviews
★★★★★ 5
The baskets work
Color: 12x6-3P-Black
Fits the desk well, sturdy, holds more than I thought
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 13, 2026
★★★★★ 4
Great Organization Product - But Still Slips Backwards with Open/Closing Drawers
Color: 12x6-3P-Black
I love that these help with organization, but - despite the pads on the bottom - they still scoot back when the drawer is open and closed.
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Reviewed in the United States on January 29, 2026
★★★★★ 5
Perfect in the office.
Color: 12x6-3P-Black
Perfect!
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Nice trays
Color: 9x6-4P-Black
Great little trays. Like that they came as a set of 4.
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Reviewed in the United States on November 2, 2025
★★★★★ 5
Perfect
Color: 12x6-3P-Black
Sturdy. Exactly what was needed
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Reviewed in the United States on January 24, 2026
