Part Numbers: 99-185 – Two 5″ Diameter hoods, 12″ wall sleeve, duct collar, white plactic 99-186 – Two 6″ diameter hoods 99-187 – Two 7″ diameter hoods 99-186LT – Two 6″ diameter hoods without sleeve or collar Features: Ideal for HRV/ERV and in-line applications.

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Part Numbers: 99-194- 4″ Dual Hood 99-190- 5″ Dual Hood Features: Ideal for space constrained HRV or ERV applications

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