1. If using 3/4 in. ID tubing, proceed to step 2. If using 1 in. ID
tubing, cut the adapter as shown using a hacksaw. Fig. 1
Fig. 1
2. Assemble the locking ring, adapter and gasket.
Fig. 2
Fig. 2
3. Place the bio-balls inside the filter. Fig. 3
Fig. 3
