The transitional pit fan's plastic housing is fitted with stainless steel sliders to accommodate all of our 20" to 24" wall fans.
Specifically designed to draw exhaust air out of a deep dit. Mounts flat on horizontal surface, fan mounted on horizontal position. Covered discharge housing directs air flow away from building. External shutter seals off any back-draft .

• RSO is 35½" x 40"
• Model No. PTH-24