This UNO cartridge will double the capasity
Add to UNO and turn it into a DUO pond filter
Add to a DUO and turn it into a TRIO pond filter

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 14.76 inch
Height : 2.24 inch
Length : 16.26 inch

Item Weight: 1 pounds (View shipping rates and policies)
Shipping Weight: 1.75 pounds (View shipping rates and policies)

ASIN : B0009YUJR6