Which direction do I put these filters on the green enclosure? Rougher side towards back, or rougher side towards front? Thanks!

Coarser filter goes to the back so that it can remove the bigger particles before filtering on the finer side. My filter unit has two cartridges so I change one alternately every time I do a water change, every 3 weeks.

Can someone please measure the filter with a ruler. Several people have asked and no one has answered with actual measurements.

Thank you for asking Penny! They are 5-3/4" high x 4.5" wide.

have a filter with red insert carbon filter has to be attached to fits inside of 35 gallon filter can't remember which filter type it was help

I would recommend you call our team at 1-800-526-0650 if you think it was one of ours. The red insert could be a bio grid which comes with one of our lines. Also, look at the top of the filter. We mold the model name and size in all of our lids.

im needing to find the "cage/holder for theses filters. Any one have a Parrt #?

no ..don't have a part...write to the company...

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Specifications

ASIN	B001MSS358
ASIN	B001MSS358
Age Range Description	all
Batteries	Product Specific batteries required.
Batteries	Product Specific batteries required.
Best Sellers Rank	#7,443 in Pet Supplies ( See Top 100 in Pet Supplies ) #47 in Aquarium Filter Accessories
Brand Name	Tetra
Country of Origin	China
Customer Reviews	4.7 4.7 out of 5 stars (7,713)
Date First Available	October 19, 2006
Date First Available	October 19, 2006
Department	Filter Media
Department	Filter Media
Directions	See label for details
Included Components	Tetra Carbon Filters Medium (4 pack)
Is Discontinued By Manufacturer	No
Item Dimensions LxWxH	0.75 x 3.85 x 5.5 inches
Item Package Dimensions L x W x H	5.91 x 4.32 x 3.93 inches
Item Weight	0.03 Pounds
Item model number	26331
Item model number	26331
Manufacturer	Tetra
Manufacturer	Tetra
Model Name	Whisper EX Carbon Round Filter Cartridges
Number of Items	1
Product Dimensions	0.75 x 3.85 x 5.5 inches; 0.48 ounces
Size	4-Count
Specific Uses for Product	Indoor
Style	medium
Target Audience Keyword	( reptiles \| amphibians ), fish
Warranty Description	See label for details

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€ 23.35

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TetraWhisper EX Carbon Medium Round Filter Cartridges, 4-Count

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