Premier Mounts INW-AM325 In-Wall Box For Pmmam250 & Pmmam3

The INW-AM325 in-wall box is designed to house either the AM250 or AM3 Universal Swingout Arms.The INW-AM325 safely supports the mounting arm and comes with multiple knockouts for power and signal. An optional box for external power and signal is included. Use the AM250 for 37-50 displays or the AM3 for 40-61 displays. No mount assembly required.