Replacement ABEK1P3 filters for GVS respirators for Organic Gas, In-Organic Gas, Acid Gas, Ammonia and dust applications. e.g. Oil and gas, wastewater treatment, pharmaceutical manufacturing, pulp and paper industry etc. By combining the P3 particulate filter with the ABEK1 Multi-Gas filter, it increases user safety by reducing the common risk of users continuning to use depleted filters unaware.