a plurality of anchor brackets maintaining a fixed spatial relationship during operating conditions;

an elongated and rectilinear anchor post directly conjoined to said anchor brackets, said anchor post having axially opposed top and bottom end portions equidistantly spaced from a first support wall;

a plurality of couplings directly conjoined to selected portions of said anchor post, said couplings being detachable from said anchor post and selectively positional along a longitudinal length of said anchor post;

a cylindrical housing having a longitudinal axis extending parallel to a longitudinal axis of said anchor post, said housing defining a cavity therein and being provided with a rectilinear slot extending parallel to the longitudinal axis of said housing;

a screen suitably sized and shaped for passing through the slot;

an auxiliary post directly attached to a distal end portion of said screen, said auxiliary post having a rectilinear shape and traveling along an entire length of said distal end portion, wherein said auxiliary post is permanently affixed to said screen and is situated exterior of said housing; and

a plurality of latching brackets directly connected to said auxiliary post, said latching brackets being directly engageable to a second support wall for maintaining said screen at a tensed stated during operating conditions;

wherein said screen can be adapted along at least a 180 degree arcuate path when extended out of said housing;

wherein each said anchor brackets and each said latching brackets comprises:

a female member having a substantially U-shaped flange portion, and

a male member including a plurality of spring-actuated pins extending laterally and outwardly therefrom;

wherein said pins are removably insertable into said male and female members.