Aquarium Spray Bar Replacement for Fluval Spray Bar kit Compatible with Fluval 06, 07 Canister Filters, Aquarium Filter Water Aeration Accessory (Model: AHGA234)

This fits my tubing which is ID 1/2in and OD 5/8inch. You could probably buy the name brand too but I was too annoyed with Fluval for not listing the measurements haha. I use a HOB filter too and don't want to switch to a canister since it was free and has worked for 10 years. I use a small pump for my chiller closer to the top of the tank and anything floating gets picked up by my HOB intake first. I clean my chiller every 8ish months by pumping diluted vinegar water through it (both directions) in a bucket and nothing terrible has come out even though the water isn't being filtered directly before entering. My other hack is to upgrade to black tubing so you don't see any gross biofilm that might grow in it haha