1. Solid and light-weighted.
2. Simple and easy to install.
3. Excellent for drainage.
4. Good transparency and ventilation.
5. Beautiful outer appearance.
I-shape flat iron gratings:
1. NO.CI2553/ CI3253/ CI3853/ CI4453/ CI5074/ CI5574/ CI6074/ CI6574/ CI7574.
2. Flat iron (h x t): (1) I25x5x3/ I32x5x3/ I38x5x3/ I44x5x3/ I50x7x4/ I55x7x4/ I60x7x4/ I65x7x4/ I75x7x4. (2) Pitch of bearing bar (BP): 30/ 30/ 30/30 /35.3/ 35.3/ 35.3/ 35.3/ 35.3.
3. Pitch(CP): 100.
4. Bearing bar size and pitch of bearing bar, pitch of cross bar, special size and holing are available on request.