※ Product introduction

OF 50 is developed to drain sewage and drainage at a particular area before water reaches the first floor when blocked by artificial or environmental factors at EDR pipes.

※ Features

• Water will drain from the OF 50, If pipes on the basement floor of an apartment building is blocked.
• It is combined with EDR Y and constructed with the opening part facing the bottom.
• When the pipes are filled with, opening cap is opened and water is drained. The cap is automatically closed after drained. After closing, remove foreign substances from the inside and press the cap with your hands.
• The cap is normally closed, so prevent odors.