Y-piece

Discover the complete range of Y-pieces (Y-stukken) at No Mercy Shop, the ideal solution for an aerodynamic splitting or combining of your ventilation ducts. A Y-piece, also referred to as a breeches piece (broekstuk) in air management, features a unique shape that provides two smooth 45-degree branches. This guides the airflow significantly better than a traditional T-piece, resulting in a quieter system and maximum extractor efficiency.

Why choose a Y-piece (Breeches Piece)?

When you want to extract air from multiple grow rooms or grow tents using a single central inline duct fan, a metal Y-piece is your best choice. Because the airflows converge or split at a 45-degree angle, minimal turbulence occurs. This prevents unwanted pressure drops and ensures an even, efficient air distribution across your entire cultivation environment.

Expert advice for an airtight installation

Our breeches pieces are manufactured from sturdy galvanized metal, making them fully resistant to the high humidity levels found in grow rooms. For a 100% airtight installation, slide your flexible ducting or spiro pipes over the collars of the Y-piece. Then, secure the connections firmly with high-quality hose clamps or aluminum tape to prevent any false air leaks or odor issues.

Key Models and Sizes

Within this category, you will find durable metal fittings in all standard diameters to match your extraction and filtration setup perfectly. Key products in our inventory include:

• Y-piece Ø 100 MM – Compact breeches piece for micro-growing and smaller ventilation systems.
• Y-piece Ø 125 MM – The most popular size for standard inline duct fans and hobby growers.
• Y-piece Ø 160 MM – Perfectly suited for medium-sized cultivation environments and filtration setups.
• Y-piece Ø 200 MM – Heavy-duty branch designed for powerful extractors and larger air volumes.
• Y-piece Ø 250 MM – Maximum diameter for large-scale air management and professional installations.