PRODUCT INFORMATION For downward-opening flap doors. Built-in damper causes flap to open gently near fully open radius. Non-handed. SDS-C100 has a built-in catch to hold the door in a closed position. SDS-100 does not have a catch and needs to have one installed separately. Required mounting plates (Sold separately) Mounting plate NSDX-SZ Mounting plate NSDX-CZ Mounting plate NSDX-AZ for 20 mm…
