IFLEX PIPE ACCESSORIES

Ventilation system accessories
We offer back flow valves and variety of reductions.
Product features

BACK FLOW VALVE 5″
it blocks the backinflow of air from the outside through the 5″ vertical vent. It’s fully compatibile to instal in iFLEX pipe 5″

1

6″ to 5″ REDUCTION
enables connection of a 6″ vertical vent with a 5″ iFLEX pipe

3
2

BACK FLOW VALVE 6″
it blocks the backinflow of air from the outside through the 6″ vertical vent. It’s fully compatibile to instal in iFLEX pipe 6″

4

REDUCTION PYRAMID
enables connection of a 5″ vertical vent with a 4.3″, 4″ and 3″ pipe

Colors and product codes

PYRAMID

ZZ-5

ZZ-6

R-5
Technical data
Product code: ZZ-5 ZZ-6 R-5 Pyramid
Diameter: 5″ 6″ 6″-5″ 5″- 4.3″
5″ – 4″
5″ – 3″
Height: 0.8″ 0.8″ 4.3″ 7″
Color: orange orange black orange
Material: polypropylene
02/05/2026
Turbine Roof Vent Problems

What typicly goes wrong and how we designed around it. Turbine roof vents are a common form of passive roof ventilation. They’re simple, require no electricity, and are often chosen for their low upfront cost. At the same time, many building owners and contractors eventually face recurring turbine roof vent problems that affect performance, comfort, […]