New Pig PLR412 Drain Cover — 12" Round, Fits Drains Up to 6" Dia Silicone Per Allegro's documentation: the welding

Per Allegro's documentation: the welding shield with the 7500VX ADF lens

so can I rely on smell instead of a change schedule

The Y50 removes that failure mode by molding the side shields into the frame structure itself — peripheral coverage that is always there and always compliant

What is the difference between the 7300 and a multi-gas cartridge

New Pig PLR412 Drain Cover — 12" Round, Fits Drains Up to 6" Dia Silicone Per Allegro's documentation: the weldingEditor's take: The New Pig PLR412 Drain Cover is a 12 inch round Elvaloy vinyl urethane seal for round drains up to 6 inches quick to deploy for a spill, washdown, or storm event, and reusable. Note: this SKU is a 12 inch round cover, not the "60 x 36 in" size sometimes listed for it. Browse the spill control range or pair it with a spill kit for full response coverage. Check Price on Amazon As an Amazon Associate, WC Safety earns from qualifying