NELLO non-penetrating roof frame w/ a 35-1/4" square base. Mast is 2-3/8"OD and 30" tall.  Rubber mats (472603) suggested. Requires concrete block balla

NELLO non-penetrating roof frame w/ a 35-1/4" square base. Mast is 2-3/8"OD and 30" tall. Rubber mats (472603) suggested. Requires concrete block balla

103492$127.60