2 chainsaw chains, 30 cm, 1.3 mm, 3/8" diameter, 45 gauge. Compatible with Greenworks GD24CS30K4 24V chainsaw.

Bathroom extractor fans renew stale air. The flow rate required to circulate the air is calculated using a formula based on the size of the bathroom. Air extractors, MEV systems, window or centrifugal extractor fans, read on for our tips on how to ventilate and banish humidity from the bathroom.