The Knitted Reactor Coils are especially designed to fit into the Post Column Photolytic Reactor (cat# 49900-01) and their material of construction (PTFE) is transparent to the 254 nm UV light. Bubble formation in the coil should not occur due to backpressure from the system and prior degassing.

Post Column Photolytic Reactor

Knitted Reactor Coil

Knitted Reactor Coil Product Page 
Photolytic Reactor Product Page