5
ROBUST-AIRE DIFFUSER
ASSEMBLY INSTRUCTIONS
Step 2:
Assemble both
Tubing Assemblies to
the Inlet Check Valve
assembly.
Tighten until snug
making sure blue line on
both aeration tubing
assemblies face the
same direction and are
parallel with the Inlet
Check Valve Assembly
.
Tighten a barbed fitting
into the check valve
assembly.
Choosing a
barbed fitting depends
on the customers
SureSink tubing size.
Use an adjustable
wrench to tighten the
barbed fitting to the
Inlet Check Valve
Assembly.
Step 3:
With the blue
line on the tubing facing
down, attach substrate
riser around tee fitting.
Rotate up and secure
aeration tubing into
substrate riser.
