Pressure Rating: Typically, these compressors can reach up to 150 PSI, which is suitable for a wide range of applications.

Tank Size: Various models may have different tank sizes, often around 6 to 8 gallons, which affects how long you can run tools before the compressor needs to refill.

Portability: Many Porter-Cable compressors are designed to be lightweight and feature a handle or wheels for easy transport.

Oil-Free Pump: This feature means less maintenance, as you won't need to worry about oil changes, and it can be used in various positions.

Noise Level: Some models are designed to operate quietly, making them suitable for indoor use.

Accessories: Depending on where you rent it from, it may come with accessories such as hoses, nozzles, and fittings.