Shelton, Connecticut-based GrayWolf Sensing Solutions has released its PC-5000 series wall-mount particle/mass monitors with options for total volatile organic compounds, carbon dioxide, temperature and relative humidity.

Spectroline’s Cool Seal A/C Leak Sealer seals refrigerant leaks in compressors, condensers, evaporators, O-rings and hoses, and it’s now available in three different delivery methods.

The Bit Pouch from Jondy LLC attaches to tools or drills with an adjustable fabric fastener strap and magnet to hold nails, screws and other hardware.

Tjernlund Products has released a new brochure on its complete line of radon mitigation fans.