Speakers Model #UL (Fire Listed)ULC (fire listed)FM ApprovalcULs ListedIECEx ATEXNEC ListingCEC ListingMEMA UL50EUL1971UL1638UL464UL1480 D1xL1Speaker•CI/II D1CI Zone 1/204/4X/3R/13• D2xL2Speaker•CI/II D1CI Zone 1/204/4X/3R/13• ML15Speaker•••4/4X/3R/13• ML25Speaker•••4/4X/3R/13• 2026 Summer Events By Joel Myerson | April 1, 2026 PFAS Monitoring & Regulations By Joel Myerson | March 19, 2026 What Affects Gas Sensor Accuracy? By Joel Myerson | February 19, 2026 Process Insights Solutions for the Semiconductor Industry By Joel Myerson | November 11, 2025 Beverage & Brewery Gas Detection By Joel Myerson | October 21, 2025 Newsletters By Ross Myerson | September 18, 2025 MBW Chilled Mirror Hygrometers – Fast Delivery! By Joel Myerson | September 16, 2025 SESHA Fall Mini Conference – Albany By Joel Myerson | September 10, 2025 2025 ISPE Boston Product Show By Joel Myerson | September 10, 2025 NEAIHA All Day Technical Conference 2025 By Joel Myerson | September 10, 2025
