Chimney Liner System
Category I and II

VENTINOX
Chimney Liner

FasNSmooth
Chimney Liner

FasNFlex
Chimney Liner

FasNClamp
Components

A lifetime solution to venting modern gas, oil or solid fuel heating equipment.

• Unique Seam Design
• Precision Engineering
• Solid Track Record Since 1979
• Backed by a Lifetime Warranty
• UL Listed

Available in 3" through 12" diameters.

Appliances
Category II, III, and IV

FasNSeal
Special Gas Vent

FasNSeal Kits
Special Gas Vent Kits

Appliance Adapters

The First AL29-4C Special Gas Vent System for Category II, III, and IV Heating Appliances with a Built-in Triple Lip Seal and Mechanical Locking Band.

Available in Residential and Commercial sizes 3" through 24" diameters.

Commercial Appliances
Category II, III, and IV

FasNSeal
Special Gas Vent

FasNSeal Double Wall W2
Special Gas Vent

Appliance Adapters

Engineering Services

The First AL29-4C Double Wall Special Gas Vent System with a Triple Lip Seal, Mechanical Locking Band and 1/2" Air Space.

Available in Residential and Commercial sizes 3" through 24" diameters.