are you suppose to rinse the cartridge before putting it into the filter?

You are supposed to and I often do, either quick in the sink (chlorine in tapwater will nat harm it in any way in the slightes, except that 1/100 of the carbon might absorbe some chlorine, right, like it is supposed to do FOR WEEKS, not 30 secs. Next, there were a few "carbon Powders" available, they probably make carbon in every size you can think of from dust to huge blocks. So I sometimes don't rinse my pad if I am in a hurry (tank maintenance business) and think "carbon powder was good enough back then" and it didn't hurt anything (that I know of).

Whats the actual measurement of the filter? Size from top to bottom, from side to side, I know what power filters it fits, but I need the measurements

The product dimensions are 6.5 x 6.8 inches, with each filter being less than 1" thick.

Twice in 2019 i bought 6-packs of the c cartridges on amazon for about $7 a pack. why has the price of tripled?

"Amazon Sellers strive to offer competitive prices on all products they sell. They also need to make a profit so that they can continue to sell on Amazon. The price has likely increased due to increased costs of inventory, fees, and selling on Amazon."

Can you use these in Aqua-tech 30-60 filtration systems?

I would think it would be to long for that filter. But i am notpositive about my answer. Probly 95% positive the answer would be no, i have a filter on a smaller tank that i think has this filter system you are talking about and when i compare the two it would stick up out of filter so lid would definatly not go on it. I hope this helps!

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Marineland Bio-Wheel Penguin Rite-Size C Aquarium Filter Cartridge, 6 Count

Marineland Bio-Wheel Penguin Rite-Size C Aquarium Filter Cartridge, 6 Count

Product ID: 2063013

Details

Brand
MarineLand
Item Form
Stick
Item Weight
22.68 g
Number of Packs
6
Unit Count
6 Count

🎨Color-coded Rite-Size packaging

🧩Pre-assembled for effortless swap

⚙️Patented ribbed backing for max carbon contact

¥9518

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Crystal-clear water, zero hassle—filter like a pro!

SMART SIZING SYSTEM - Color-coded Rite-Size packaging guarantees you always pick the perfect fit.
TRUSTED BRAND LEGACY - Marineland’s 40+ years of innovation means reliable, professional-grade aquarium care.
EFFORTLESS INSTALLATION - Pre-assembled cartridges slide in fast and dry—no mess, no stress.
SUPERIOR FILTRATION POWER - Double-thick poly fiber pad traps debris while Black Diamond® Activated Carbon purifies chemically.
OPTIMIZED CARBON EFFICIENCY - Patented ribbed backing ensures even water-to-carbon contact for crystal-clear water.

Marineland Bio-Wheel Penguin Rite-Size C Aquarium Filter Cartridges are pre-assembled, easy-to-install replacements designed for Marineland Penguin Bio-Wheel Power Filters. Featuring a patented ribbed backing for optimal activated carbon distribution and double-thick poly fiber mechanical filtration, these cartridges deliver superior water purification. Packaged in color-coded Rite-Size packs for quick identification, they ensure your aquarium stays crystal clear with minimal effort.

Specifications

ASIN	B000256EKS
Allergen Information	Fish
Best Sellers Rank	#2,152 in Pet Supplies ( See Top 100 in Pet Supplies ) #5 in Aquarium Filter Accessories
Brand Name	MarineLand
Customer Reviews	4.7 4.7 out of 5 stars (28,928)
Global Trade Identification Number	00047431502840
Included Components	Marineland Penguin Power Filter Cartridge Rite-Size B (6 pk)
Item Form	Stick
Item Type Name	Pet Supplies
Item Weight	22.68 g
Manufacturer	Marineland
Manufacturer Part Number	PA0133-06-1
Model Number	PA0133-06-1
Number of Items	1
Number of Packs	6
Pet Type	Fish
Target Species	Fish
UPC	047431502840
Unit Count	6 Count
Warranty Description	See Label.

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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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TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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¥9518

Duties & taxes included

In stock

Sold byAmazon JapanDelivered 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 Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

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