I am trying to find the flow rate for an interpet bio 50 filter. I also need to find the size of the filter. I know there is a 50 and 250 version, all mine says is interpet bio filter no number
I just want to know which version I have and the flow rate
all I keep finding are spare sponges 
I just want to know which version I have and the flow rate
all I keep finding are spare sponges 

/www.interpet.co.uk/aquatic.htm







