Compatibility: This air stone set replacement for all Biorb aquariums, including Flow/Halo Series 15 Acrylic 4 Gallon aquarium
Package includes: 6 air stones. Replace filters every 1-3 weeks for best performance
This air stone can promote water flow circulation, increase dissolved oxygen, assist in aquarium filter purification, and maintain the health of aquatic organisms and ecological balance
No tools needed: install in seconds, made from eco-friendly materials
If in doubt: For product-related questions, please contact the Conloquen team at any time. We will promptly address your needs
