Why does this filter not have charcoal?

I agree with first person's answer. In my 20 years of experience, charcoal is not needed in the hobby outside of removing medications from the water if no longer needed. Other than that, charcoal only helps to mask the problems you are developing in your tank that more regular water changes or more biological filtration can help resolve. Personally, I feel charcoal is a waste of money and I say use that space to add more biological filtration (or mechanical if you don't already have a spot for that) and do more regular water changes.

Can this be placed on the bottom of the tank with the output water stream facing up? Suction cups facing down.

This pump pushes a lot of water. If you have a big deep tank, it would probably be fine otherwise you could be cleaning water off the floor. Good luck!

What is it dimension? Can I put it horizontally

Yes it can be put horizontally. I have it in my turtle tank 75 gal. It’s very powerful flow. The dimensions are 7x2.

please tell me how to open this darn thing to remove/see the filter? Thank you!

We finally got it open after a twist/snap motion.

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NO.17 Submersible Aquarium Internal Filter 12W, Adjustable Fish Tank Filter with 320 GPH Water Pump for 50-150 Gallon Fish Tank

Product ID: 149099613

Details

Brand
NO.17
Color
Black
Horsepower
12 watts
Item Weight
1.5 pounds
Material
Acrylonitrile
Maximum Flow Rate
5.3 gpm

⚡12W Power Efficiency

💧320 GPH Adjustable Flow

🔄3.9 ft Max Lift Height

€ 63.18

Duties & taxes included

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Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Keep your aquatic world crystal clear and effortlessly vibrant!

POWERFUL 12 W MOTOR - Optimized energy use for large 50-150 gallon tanks without noise disruption.
FLEXIBLE INSTALLATION - Mount horizontally or vertically; fully submersible for odd-shaped or shallow tanks.
MULTI NOZZLE VERSATILITY - Four interchangeable nozzles for tailored water flow and filtration precision.
ROBUST QUIET OPERATION - Ceramic shaft and ABS housing ensure corrosion resistance and whisper-quiet performance.
CUSTOMIZABLE 320 GPH FLOW - Adjust water circulation to perfectly suit your aquatic ecosystem’s needs.

The NO.17 Submersible Aquarium Internal Filter delivers a powerful yet ultra-quiet 12W filtration system with an adjustable 320 GPH pump, ideal for 50-150 gallon tanks. Featuring four nozzles and multi-media filtration, it ensures pristine water quality while its durable, corrosion-resistant design supports both freshwater and saltwater environments. Easy to install and maintain, this filter adapts to various tank shapes and sizes, making it a must-have for serious aquatic enthusiasts seeking hassle-free, professional-grade water care.

Specifications

ASIN	B07SZLBGGW
ASIN	B07SZLBGGW
Best Sellers Rank	#42,661 in Pet Supplies ( See Top 100 in Pet Supplies ) #183 in Aquarium Filters
Brand Name	NO.17
Color	Black
Customer Reviews	4.1 4.1 out of 5 stars (895)
Date First Available	June 15, 2019
Flow Rate	5.3 gpm
Horsepower	12 watts
Included Components	1
Item Weight	1.5 pounds
Item model number	HY-1200F
Manufacturer	NO.17
Manufacturer	NO.17
Material Type	Acrylonitrile Butadiene Styrene (ABS), Plastic
Maximum Lifting Height	3.9 feet
Model Number	HY-1200F
Number of Items	1
Number of Packs	1
Package Dimensions	11.85 x 3.86 x 3.23 inches; 1.46 pounds
Power Source	Corded Electric
Product Style	black
Specific Uses For Product	Active
Unit Count	1 Count
Voltage	12 volts_of_direct_current

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