Best in 7 days
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- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 18 - Jul 23
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Description
Tunze Osmolator Nano 3 ATO - 3151Tunze Osmolator Nano 3 ATO 3151 Overview The Tunze Osmolator Nano 3 is a compact single sensor ATO for tanks up to about 250 L. Its large optical sensor delivers precise level control, while the included high head pump and strong magnets make installation clean and dependable. Features Accurate optical level sensing with plug and play setup Two selectable maximum dosing durations to match tank size Quiet 12 V pump with dry run and blockage protection
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
4.7 ★★★★★
Based on 110 reviews
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Product Reviews
★★★★★ 5
Perfect fit
Product is very good, no damage and fits well
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 14, 2025
★★★★★ 5
Perfect replacement
Fit perfectly saved a bunch of money
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Reviewed in the United States on November 7, 2025
★★★★★ 3
It’s ok for a short period of time.
Meh….the filter is glued at each end versus clamped into the housing like the OEM filter. Will probably get a different brand or OEM in the near future.
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Good Replacement from Third Party
Perfect fit and great price. Would recommend.
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Reviewed in the United States on October 1, 2025
★★★★★ 5
Perfect fit
Fit well. Looks nearly identical to the OEM filter.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 18, 2025
