Pond Force™ Pond Bacteria Sludge Remover with Barley Ultraviolet while the other systems are

while the other systems are set up for 3/8" airline

Keeping solid waste and debris out of your pond is a very important step toward keeping your fish healthy and preserving your own personal sanity with regard to maintaining a cleaner pond

12-10 Gauge Both 651106 813166022553 Rotor and Impeller Assembly (Green) EC05 651108

8mm  (about 3/16 of an inch)

SKU UPC Code Description 81000 742575810003 Koi Krunchies

Pond Force™ Pond Bacteria Sludge Remover with Barley Ultraviolet while the other systems arePond Force Pond Bacteria Sludge Remover with Barley contains strains of barley and beneficial bacteria that work naturally to clarify water and reduce sludge. Each packet treats up to 1000 gallons.