SKU: 4764693042

Fluval FX4 High Performance Canister Filter

Sale price$622.71 Regular price$691.90
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Description

Fluval FX4 High Performance Canister FilterFeaturing Smart Pump technology with automatic start stop functions this cutting edge microchip technology constantly monitors and enhances pump performance. Self activating simply fill with water, connect the power, and let Smart Pump handle the rest. Automatically expels trapped air every 12 hours to maintain optimal efficiency. Changing water is a breeze, eliminating the need to lift heavy buckets. Just connect the hose to the output (Kit sold

Featuring Smart Pump™ technology with automatic start/stop functions – this cutting-edge microchip technology constantly monitors and enhances pump performance.

Self-activating – simply fill with water, connect the power, and let Smart Pump™ handle the rest.

Automatically expels trapped air every 12 hours to maintain optimal efficiency.

Changing water is a breeze, eliminating the need to lift heavy buckets. Just connect the hose to the output (Kit sold separately), and Smart Pump™ will do the work for you.

Removable, stackable media baskets prevent water from bypassing.

Includes all necessary filter media – mechanical, chemical, and biological. Valves are conveniently positioned at a 45-degree angle for easy installation and adjustment.

Equipped with an anti-clog, telescopic strainer to ensure uninterrupted water flow.

Multi-Directional Output nozzles are fully adjustable, allowing you to create personalized water flows.

Utility Valve with a drain hose for convenient maintenance and cleaning of the canister.

Rubberized feet provide added stability for quieter operation.

Designed for aquariums up to 250 US Gal / 1000 L.

Pump Output: 700GPH / 2650 LPH.

Maximum Head Pressure: 2.1m, Power Consumption: 30W, 230V-240 / 50Hz.

Dimensions: 40L × 40W × 42H cm

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SKU: 4764693042

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J
Verified Purchase
Jason Bolton
Louisville, US
★★★★★ 5
Great book
Format: Paperback
Great book! It is helpful as I work towards my Masters of Science in Applied Artificial Intelligence
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 20, 2025
J
Verified Purchase
James Gianoglio
Lake Worth, US
★★★★★ 5
Comprehensive Guide with Practical Insights
Format: Paperback
This is a solid book for understanding the art and science of working with LLMs and other generative AI models. I always struggled with getting the output I was looking for, and wasn't sure how best to "ask" the models for what I wanted. This book did a great job of laying out the strategies and practical guidance to craft the prompts. There were a lot of tips and tricks, but the overall understanding and framework around prompt engineering has been super useful.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 25, 2024
M
Verified Purchase
Matt B
Dallas, US
★★★★★ 5
A must read!
Format: Paperback
Hands down, the best book on prompt engineering and implementing LLMs. Really enjoyed Michael and James deep dive. Whether you're technical or not, this book is foundational to a deeper understanding in how to properly explore and implement LLMs.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 25, 2024
S
Verified Purchase
SR
Boise, US
★★★★★ 4
Helpful for GPT/LangChain framework
Format: Paperback
I applaud the authors for putting forth a comprehensive introduction in a rapidly evolving space. I absorbed a lot, helpful as I was developing a prototype — using open source methods. And that’s where I was disappointed. The LLM and examples are highly adapted to OpenAI’s GPT-x and the bulky LangChain framework, something not obvious until you dig in to the book. Sure, this may be where newbie demand was when the authors began writing. But as the open source models and OpenAI alternatives gain speed (e.g. Llama 3.1, Groq, etc.) this book may quickly need an updated and expanded version to stay relevant.
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Reviewed in the United States on August 7, 2024
K
Verified Purchase
K. Wain
Omaha, US
★★★★★ 3
Good concepts, but uneven depth
Format: Paperback
Some helpful prompt frameworks, but parts felt repetitive and a few sections stayed too high-level for advanced users. Beginners will likely benefit more than experienced practitioners. If you’re new to prompt engineering it’s a decent starting point; if you’re already building structured prompts daily, it may feel light.
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Reviewed in the United States on January 17, 2026

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