Ceiling mount for the np-p502wl/p502hl, np-p502wl-2/p502hl-2, np-pa500x/pa500u/pa550w/pa600x, np-pa521u/pa571w/pa621x, np-pa622u/pa672w/pa722x, np-pa653u/pa803u/pa853w/pa903x and np-pa653ul/pa703ul/pa803ul projectors.Direct replacement for