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- USA
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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
For Your Every Summer RSVP, with Code: SUMMER15
Description
Neptune Flow Sensor - 1/2 InchNeptune Flow Sensor 1 2 Inch Overview The Neptune Systems FS 50 Flow Sensor is designed to be used with the Flow Monitoring Module (FMM). Usually used with aquarium accessories like reactors, carbon GFO filters, etc., this flow sensor can be placed in line with the flow on any pipe, connected to the FMM, and communicate to your Apex the flow rate of water through that pipe. The flow sensor itself uses BSPP threads so for North American customers we

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 1678 reviews
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Product Reviews
★★★★★ 5
Black wallet 💰
Color: Black (Trifold)
I love it!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 17, 2026
★★★★★ 5
Great product
Color: Brown (Trifold)
Great wallet
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Reviewed in the United States on March 12, 2026
★★★★★ 5
Love it
Color: Brown (Bifold)
Great quality!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 6, 2026
★★★★★ 5
Worth the money
Color: Brown (Bifold)
Great quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 16, 2026
★★★★★ 5
The vertical slots much better than regular wallets horizontal slots.
Color: Brown (Trifold)
The best wallet I obtained
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 21, 2026




