ACL48212

12" Deep Aluminum or Steel Acoustical Louver with 12" On Center Blade Spacing ACL482126

12" Deep Aluminum or Steel Acoustical Louver with 6" On Center Blade Spacing ACL48266

6" Deep Aluminum or Steel Acoustical Louver with 6" On Center Blade Spacing ACL48288

8" Deep Aluminum or Steel Acoustical Louver with 8" On Center Blade Spacing ACL73A

7" Deep Insulated Blade Combination Adjustable and Stationary Acoustical Louver ACL47/ACL47L

4" Deep Steel Acoustical Louver 45° Blades High/Low Frequency