Patent ID: 8882573

Claim:
An air deflector insert mountable and suspendable downwardly in an opening formed by grid members in a suspended grid ceiling, said insert comprising four separate side pieces, each side piece having a downwardly extending air deflecting portion and an integral generally horizontally extending means adapted to at least partially support the side piece on an adjacent grid member, each side piece having attachment means at one end and complementary attachment means at the other end whereby the four sides can be permanently joined at four corners by hand manipulation, with the attachment means being manually connected to next adjoining side complementary attachment means, and wherein at least one of the attachment means includes at least one tongue on a first one of the side pieces and the complementary attachment means includes a socket on a second one of the side pieces, which socket snaps together with the tongue to join the first one and second one of the side pieces, and wherein the socket extends outwardly and perpendicular to the second one of the side pieces, and wherein the at least one tongue includes a plurality of tongues separated by slots, wherein said plurality of tongues includes said one tongue and a second tongue on opposite sides of a central tongue, said one tongue and said second tongue including latching cusps, and the socket has respective openings sized to receive the latching cusps of the one and second tongues upon assembly, and a central opening sized to receive the central tongue, and wherein the respective openings include side openings for latching with the latching cusps.