Radon Install kits come with 2 rubber flex couplings, Dynameter, and labels to make your system compliant with mitigation standards. White couplings are generally used for outside fan installations because they are UV resistant.
If you only need separate items please view below.
3" x 3"Black kit ......$27.95
3" x 3" White kit......$34.95
4" x 4"Black kit ......$30.95
4" x 4" White kit......$38.95
3" x 4"Black kit ......$30.95
3" x 4" White kit......$36.95
4" x 6"Black kit ......$31.95
4" x 6" White kit......$39.95
Dynameter Only
An important item for all radon mitigation systems! The Dynameter measures fan performance and serves as a warning indicator in case of fan failure.
Dynameter + 1-Label.....$11.45
Checkpoint Audible Radon System Alarm
An audible alarm is desirable when the U-tube manaometer is installed in a hard to view location. The Checkpoint alarm will sound when the pressure drops in the vent pipe due to an obstruction or fan failure.
Radon Install kits come with 
