Will this product provide chemical, biological, and mechanical filtration?

Yes. Power filters will combine the mechanical and chemical media into a single cartridge. The exterior of the cartridge provides mechanical filtration, while the media inside provides chemical filtration. Beneficial bacteria will also colonize on the filter cartridge, providing biological filtration. If you have additional questions please feel free to contact us at 800.545.1344. Thank you for your question. Customer Care Team

So when you replace the filter cartridge with a brand new cartridge you lose most of the established bacteria colony?

Thank you for your question. When you replace a soiled filter cartridge, biological filtration will start up again on the cartridge but the established beneficial bacteria living on aquarium gravel, ornaments, plants, and walls of the fish tank will remain, unaffected. The new filter cartridge will quickly remove organic pollutants and debris, keeping the crystal clear and fish healthy. If you have additional questions please feel free to contact us at 800.545.1344, we are here to provide assistance. Customer Care Team

what's actual size of the filter?

This is for Koller filters KC10 that uses small filter cartridge size and dimensions are 2.25 L x .5 W x 5 H Inches as per the manufacturer's specifications.

What makes this 4 pieces, but it’s only 3 filters?

It says 3 replacement cartridges on the box and that is what comes in the box. They must have made a mistake when they said 4 piece set.

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Koller ProductsReplacement Filter Cartridges - Small

Product ID: 346353302

Details

Brand
Koller
Capacity
7 gallons
Included Components
Filter
Installation Type
Countertop
Item Weight
1.28 ounces
Material
Poly-fiber

€ 112.69

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Specifications

ASIN	B086GMHR1P
ASIN	B086GMHR1P
Best Sellers Rank	#17,574 in Pet Supplies ( See Top 100 in Pet Supplies ) #138 in Aquarium Filter Accessories
Brand Name	Koller Products
Capacity	7 gallons
Container Type	Cartridge
Customer Reviews	4.6 4.6 out of 5 stars (2,127)
Date First Available	May 23, 2020
Filter Life Cycle	1 months
Included Components	Filter Cartridge
Installation Type	Countertop
Item Dimensions L x W x H	2.38"L x 0.75"W x 5"H
Item Type Name	Aquarium filter cartridge
Item Weight	1.28 ounces
Item Width	0.5 inches
Item model number	AQ10FC-30
Manufacturer	Koller Products
Manufacturer	Koller Products
Material Type	Poly-fiber
Model Name	Aquarium Filter Cartridges Small 3 Pack
Model Number	AQ10FC-30
Number of Items	3
Other Special Features of the Product	Removes Fish Waste and Debris
Part Number	AQ10FC-30
Product Dimensions	2.38 x 0.75 x 5 inches; 1.28 ounces
Purification Method	Activated Carbon
Supported Water TDS Level Maximum (PPM)	200
UPC	049146980135
Unit Count	1 Count
Warranty Description	Manufacture

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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€ 112.69

Duties & taxes included

In stock

Sold byAmazon PortugalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Portugal.

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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Koller ProductsReplacement Filter Cartridges - Small

Details

Details

Description

Specifications

Common Questions