




Easy-to use biological filter for tropical aquarium fish
Aquarium filter sponge for efficient biological filtration
Great biological filter for breeding or spawning aquariums
Produced from high quality hydrophilic filter material. Multi-strata design provides large surface area for optimum filtration.
Provides the ideal location for bacterial colonization.
Operated by an air pump to create numerous minute bubbles to increase dissolved oxygen content.
Replaceable filter sponge allow long lasting use.
Does not trap fish fry. Suitable filter when breeding and spawning Discus, Dwarf cichlids, guppies, and killifish.
These filters allow you to cultivate nitrifying bacteria for superb biological filtration. Great for fry aquariums and brine shrimp hatcheries because they prevent young fry from being trapped in the filter media. Operates silently, creating numerous minute bubbles for increased oxygen flow.
Each requires an air pump and airline tubing, sold separately.
Maintenance
Rinse the sponge with cool or warm running water weekly. Do NOT use hot or very cold water as this will destroy the bacteria which colonize the sponge.
Do not use soap or detergent when rinsing the sponge.
Dimension:
Size | Model # | Dimension (with tube) | Max Tank Size |
Mini | XY-2835 | 2.0" x 4.75" | 5 Gallon |
Mini | XY-2836 | 2.0" x 6.0" | 5 Gallon |
Small | XY-180 | 3.0" x 6.5" | 10 Gallon |
Medium | XY-280 | 5.0" x 6.5" | 15 Gallon |
Large | XY-380 | 4.5" x 8.0" | 20 Gallon |
The payment methods we accept

Credit card payment accepted through Paypal only
We accept PayPal Only.
If payment is not received within 5 days, the unpaid case will be opened by settings.


We ant you to be 100% satisfied with your purchase at QPOND. If for any reason you are unhappy with the product your purchased, you may returnit or exchange it within 14 days after you receive your purchase for a prompt refundor credit of the purchase price of the item (does not included shipping fee that you have occurred) Product must bbe in orginal packaging in its entirety.
Electrical Devices must be in its orginal packaging with all included paperwork.
Fish Foods must be unused and sealed.
Return for free shipping items will have the orginal shipping cost and 15% re-stocking fee deducted before the refund is issued.
Return shipping is at customer's expense. No exception!!!
We do require a return authorization number. You must contact us for the RMA number.
Returned items must be in new, unused, and unworn condition with all original packaging materials and instruction booklets.
Your return package should include the packing slip (or a copy) & RMA copy for your return. (Do not write anything on the box, please write on separate paper.)
Wrap the package securely & mail it to the address we requested (also on your packing slip). For your protection, expensive items should be returned via an insured, trackable carrier.
QPOND is committed to honor and respect all of our customer’s individual information and privacy. The information you provide will be secure and protected to provide you a safe and great shopping experience.
We will never use the email you provide for anything other than sending you order-related emails, shipping confirmations as well as informational newsletters/ promotions that you choose to subscribe to. We will never give away, sell, or rent your email address to anyone.
Mailing Address
Your mailing address information will never be provided to any other company for marketing or use. It is strictly for QPOND use only.
Please contact us by "ask a question", we will respond to you within 24 hours Monday-Friday.