RZ Mask 20030 M2 Safety Multi-Purpose Air Filtration Mask, Green, XL Eco_Friendly Forming larger particles that fall

Forming larger particles that fall to the bottom out the pond & are siphoned out or removed by the pond filter

2 layers in the ceiling

Valve Type: A18 Valve

Jaw length: 1-19/32" (40 mm)

Excellent performance in extreme cold or heat

RZ Mask 20030 M2 Safety Multi-Purpose Air Filtration Mask, Green, XL Eco_Friendly Forming larger particles that fallThis Air Filtration Mask features mesh construction is lightweight and breathable and allows for increased airflow. The exterior shell of mask is hand washable with warm water and a mild soap. Highlights: Color : Green Facepiece Material : Mesh Mask Size : XL Lightweight, breathable 99. 9% replaceable active carbon filters Dual one way discharge valves reduce condensation Adjustable nose clip prevent fogging Adjustable Velcro strap universal fit 360