HO4174 - Multi-scale HO / S Scale - Roof / Wall HVAC Ducting

Heating / Ventilation / Air Conditioning (HVAC) kit for your Roof Top or Walls Actual size of 0.24" square when assembled. This is a "Multi-scale" kit representing ...    22" square ducting in HO Scale (1:87)    16" square ducting in S scale (1:64)     Over 8.5" linear inches of Ducting included with 30 individual Flange & Bracket parts. Laser Cut MDF Wood & “Laser Board” components Ducting which you can trim to length including ... "Snorkel" Vents Elbows 45 Degree Offsets Turndowns Wall or Roof mounting brackets Connection Plates Access Hatches   Configure into any Roof Top or vertical Wall HVAC runs you wish…cut and join to create multiple combinations   Easily assembled with gap filling ACC glue or white PVA wood glues, ensure your joints are sanded clean and true.        Easy to paint with “Rattle Cans” and hand brushed Acrylics ... The samples shown were first assembled in wall and roof mount configurations, with their brackets "threaded" onto the ductwork.(Op