Extended Core Stretch Film Showing all 2 results Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low EC1.) 20″ x 1,000 FT. 70 GA. Extended Core (4 ROLLS) $49.95 Add to Cart EC2.) 20″ x 1,000` 80 GA. Extended Core (4 ROLLS) $54.95 Add to Cart