Fluval 4 Plus Carbon Pads Air Stone KH Plus was created for

KH Plus was created for maintaining sudden carbonate hardness drops and restoring the ionic balance in the aquarium

Multi-stage filter pumps out an astounding 925 gallons (3500 L) of water per hour

We recommend using only genuine Fluval spare parts in their filters

000 gph (34

Fluval 4 Plus Carbon Pads Air Stone KH Plus was created forFluval 4 Plus Compatible Carbon Pad (6pk) Custom sized, It effectively filters out extremely fine suspended particles and contaminants. Suitable for freshwater, marine or reptile environments. Remove waste particles Helps bological filtration Easy to replace Replace every 10 12 weeks