HVAC Piping Wall Sleeves & Grating Embed

HVAC Piping Wall Sleeves & grate embed 6 each - 20"×20"×15" Deep ×1/8" Wall sleeve with seep ring 1 each - 21"×21"×1-1/2" Grating embed HDG 1 each - 4" Round ×8" Long Pipe Sleeve with seep ring HDG