HOZELOCK GREEN MACHINE 27000 FILTER FOAM CARTRIDGES x 3 REPLACEMENT MEDIA FOAM
3 Foams provided. Each foam is 12.5 x 4.5 x 4.5" with a 32mm hole. Compatible with Green Machine 27000 model. Easy to Fit - With no complicated setup or parts, the foam can simply be added to the pond filter system when needed.