For 32 x 68 rectangular opening.

16 diameter expandable tree opening.

.25 slot openings.

For 36 square opening.

16 diameter expandable tree opening.

.25 slot openings.

For 36 x 48 rectangular opening.

16 diameter expandable tree opening.

.25 slot openings.

For 48 square opening.

16 diameter expandable tree opening.

.25 slot openings.

For 48 x 72 rectangular opening.

22 diameter expandable tree opening.

.375 slot openings.

Four-piece grate, for 48 x 96 rectangular opening.

16 diameter expandable tree opening.

.375 slot openings.

For 55 x 50 rectangular opening.

16 diameter oval expandable tree opening.

For 57.5 square opening.

16 diameter expandable tree opening.

Bolted light opening grates (7.75 x 15.375 x 5.75 ) for use with sub-grade lighting.