.° ༘🎧⋆🖇₊˚ෆ🌊｡ ₊°༺❤︎༻°₊ ｡

#pico #passband #spectro #bolometer #cardioid #cute #wavelength #infrared #filter #metric system #frequency #radiation #energy

🌢⭬▩⭬💧

#filter #filtration #filtering #filtered #filters #strainer