KF Hand Needle Valve - Nitrogen Tested eyce The product description states that

The product description states that this rubber clamp is designed to connect duct ports with a secure and airtight grip to prevent any loss of airflow

2-1/2" Oil Filled Vacuum Pressure Gauge - Stainless Steel Case

Rubber pipe couplings are designed to securely pair ducted components together while preventing air leaks

Secure ashless filter paper with compression ring

The lid may be cleaned with any solvent or cleaning agent

KF Hand Needle Valve - Nitrogen Tested eyce The product description states thatKF Hand Needle Valve This 90 degree valve has a KF (NW) High Vacuum Flange to adapt to any other KF type pump or manifold if needed. Sizes available include KF16, KF25, KF40, and KF50. It is made out of 304 stainless steel with Viton seals. This valve is not meant for precise flow control.