This is a lot package containing: (2) 1 pk Bio-foam+ • (1) 2 pk BIO-FLUVAL BIO-FOAM MAX 
FLUVAL 106/107,206/207 BIO-FOAM+ (2Pk)
• 106/107,206/207
• Bio filter-block
• Dual biological/mechanical foam with large porous surface supports expansive beneficial bacteria growth
• Also traps waste and debris for a healthier aquarium
• Replace every 6 months
FLUVAL 106//107 BIO-FLUVAL BIO-FOAM MAX:
• Bio filter block
• Item: A187
• 2 pk
• 30% more surface area than traditional bio-foam media
• Efficiently traps large particles and debris
• Porous construction promotes beneficial bacteria growth
• Rippled surface helps maintain even water flow.
• Should replace every 6 months