300 MICRON= 24cm x 40cm = NET FILTER BAG & TOGGLE SMALL FISH POND SOCK £5.50 F/P
GOLD FISH / KOI CARP VACUUM = 300 MICRON POND NET FILTER BAG. THE EXTRA LONG FOR LARGER PONDS 24CM X 80CM. NEW SIZE - POND SOCK FILTER BAG. THE FILTER BAG IS AN EXCELLENT ADDITION TO ANY POND FILTER SET UP.