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NowPrice:$14.80

Original Price: $24.66

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40% off

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Fluval Flex Rear Chamber Escape Guard: Fish Tank Safety (9G, 15G, 32.5G)FREE SHIPPING!

Ships from Indiana

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Highlights

  • Designed by LidPropzShop
  • Ships from Indiana! Shorter shipping distances are kinder to the planet

Fluval Flex Rear Chamber Guard – Solve Fish Escapes Into the Back Filter Chamber

The problem this solves: In Fluval Flex aquariums, curious or active fish often find their way into the rear filter chamber by jumping or squeezing through small gaps—especially around the intake area or lid edges. Once inside, fish can get trapped, injured, or even lost without immediate notice. It’s a common and frustrating issue for many Flex owners, particularly those keeping nano fish, gobies, or jump-prone species.

The Fluval Flex Rear Chamber Guard solves this by blocking off access to the rear chamber, preventing fish from entering the filter area while still allowing water to flow as intended. Whether you’re running intake covers, lid props, or both, this guard integrates seamlessly to keep your tank inhabitants where they belong—safe in the display area.

💧 Product Features & Benefits:

✔️ Prevents Fish Escapes
Acts as a physical barrier to stop jumpers or explorers from entering the rear chamber through gaps in the lid or intake areas.

✔️ Designed for Compatibility
Works perfectly alongside other upgrades like intake covers and lid props, offering full protection without interference.

✔️ Custom Fit for Fluval Flex Tanks
Made to fit Fluval Flex 9G, 15G, and 32.5G models, ensuring a snug, clean installation with no modification required.

✔️ Safe and Durable Materials
Crafted from non-toxic, aquarium-safe plastic designed for long-term underwater use. Smooth edges prevent injury to fish.

✔️ Quick, Tool-Free Installation
Slide it into place and you’re done. It’s a hassle-free solution to a common problem in Flex aquariums.

💧 Ideal For:

Preventing nano fish, gobies, or shrimp from entering the rear filter chamber
Use in combination with other Flex upgrades
Fluval Flex owners seeking added peace of mind and tank security
Keep your aquatic pets safe from hidden dangers with this easy and essential upgrade.

Compatible with Fluval Flex aquariums but not affiliated with Rolf C Hagen Ltd.

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  • Order today to get by May 16-Jun 1
  • Returns & exchanges accepted within 30 days
  • Free shipping
  • Ships from: Greenwood, IN

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Reviews for this item

Buyer highlights, summarized by AI: Fits perfectly · Great product · Works great · Would recommend · As described · Fast shipping · Great quality

4.4

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience.

(174 reviews)

4.4 Item quality
4.5 Shipping
4.3 Customer service
91% Buyers recommend
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5 out of 5 stars 5 This item

James Jan 9, 2026

Perfect for purpose intended and very happy

James Jan 9, 2026

5 out of 5 stars 5 This item

Alicia Sep 19, 2025

Fits my tank perfectly! Great product

Alicia Sep 19, 2025

Response from Logan Walter

Thank you! 😊 We’re so glad to hear it fits perfectly and that you’re happy with it!

5 out of 5 stars 5 This item

Tammy Aug 25, 2025

Fits perfect! Wonderful quality. I would definitely buy from again. Thank you for the gift! A+++++

Tammy Aug 25, 2025

5 out of 5 stars 5 This item

Briggs Aug 15, 2025

Had to do a little modification due to my FLEX 15 light cord, but still a great addition to the tank!

Briggs Aug 15, 2025

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Listed on May 13, 2026