#923, Chimneys 2 per bag HO scale: Our chimneys can be used on many of our scale models plus those from other manufacturers. With two large sides and two short sides on each sprue, these chimneys form a rectangular shape. There are 2 chimneys per bag in HO scale.

924, Smoke Jack and Attic Vents (2 SJ and 4 AV) in HO scale: Our smoke Jacks and attic vents are used as roof components on a number of Campbell kits. You'll find 2 smoke jacks and 4 attic vents per bag in HO scale.

Note: Most of our small parts, such as these detailed smoke jack and vents, are made from ABS thermoplastic and injection molded at our manufacturing facility in Oregon.

#927, Cyclone Vents 3 per bag HO scale: Our cyclone vents are a great addition an any industrial building model. 3 vents per bag.

Note: Most of our small parts, such as these detailed cyclone vents, are made from ABS thermoplastic and injection molded at our manufacturing facility in Oregon.

#934, Smoke Stack plastic (2 per bag) in HO scale: Use our smoke stacks on industrial buildings and models that have coal or wood stoves. 2 smoke stacks per bag in HO scale.

Note: Most of our small parts, such as these detailed smoke stacks, are made from ABS thermoplastic and injection molded at our manufacturing facility in Oregon.

#923, Chimneys (Large) 2 per bag HO scale: These chimneys are from the same mold as our regular chimneys except all four sides are the larger chimney sections. This makes a square rather than a rectangular chimney. There are 2 chimneys per bag in HO scale.