3″ venting sleeve & collar

Assembly for air duct, straight or angled sleeve and collar. Complete your installation with single or double grilles for your boat. This set of sleeves is designed to ensure secure, long-lasting attachment of your air vents. Thanks to innovative assembly notches, these sleeves can be fixed in pairs to receive a double grille, offering a versatile and practical solution for your ventilation needs.

Technical specifications 3″ ventilation sleeve & collar :

• 5 mm 3” collar
  Polypropylene sleeves for 3″ and 70 mm outlets, offering excellent resistance to UV rays. They are designed to withstand impact and stress, are compatible with common sealants, and are insensitive to acetic acids. These sleeves are designed to hold an air duct to a partition. The straight sleeve of this version incorporates a baffle, guaranteeing effective ventilation while preventing the intrusion of sea water.
• 3″ angled stiffener
  Sleeves for 3″ and 70 mm outlets, also made of polypropylene for good resistance to UV, impact and stress. Compatible with common sealants and insensitive to acetic acids, these angled sleeves are designed to hold an air duct to a bulkhead, while offering the same durability and performance benefits as version C.
• Version A: 3″ straight stiffener
  Sleeves for 3″ and 70 mm outlets, with the same polypropylene manufacturing properties for enhanced resistance to UV, impact and stress. Compatible with common sealants and insensitive to acetic acids, these straight sleeves are designed to hold an air duct to a partition. Version A offers the same advantages as the other versions with a straight stiffener, ensuring effective aeration while preventing the intrusion of sea packs.