這款防毒面具可與電動送風(PAPR)或供氣式(SA)呼吸防護產品配套組合成電動送風呼吸器使用，滿足不同防護環境的需求
Can also be used with PAPR or supplied air respirators to fit different using environments.

諾斯770030S防毒面具*口小空氣“死腔"設計，避免呼出的CO2被再次吸入，降低使用者的工作疲勞度
With specially designed oral/nasal cup to lessen"dead space"，avoid re-breathing in of exhaled CO2 and reduce the working fatigue of wearers.

與3M防毒面具一樣配置的呼氣閥設計，保證呼出氣體大程度被排出面罩之外，提高使用者的佩戴舒適感
Specially designed exhalation valve can vent the gases out from the mask to the most so that the user can experience more wearing comfort

諾斯770030S防毒面具*的面部曲線貼合設計，360度密封，可滿足不同臉型佩戴需求。并且按人體工程學設計理念，不同部位密封圈厚度不一，更好地滿足鼻部、下頜部及臉部對于貼合性的不同要求
Unique airtight curve of the inner mask offers 360°facial seal to fit various face shapes. It also has different mask thickness on different position based on the ideas of ergonomics design to ensure great fitness on the nose, chin and face.

諾斯770030S防毒面具頭部固定式設計及可調節式頭帶保證佩戴定位準確，不受作業者活動影響，消除佩戴不適感
The head harness is positioned on the headａnd and also adjustable which can make the donning easy and comfortable regardless of any movements of the user.

整體下探式外形，避免對視線的影響，與防護眼鏡也能夠良好適配
The shape is downwards designed in order to avoid any effects on the vision and also has a good compatibility with safety eyewear.

7700 系列為99% 硅膠設計。它市場超過20年，而且防毒面具價格處于市場中等水平，是目前市場上將舒適、貼合、安全性結合的一款防護用品。
7700 series is made of 99% silicone and is one the most outstanding product in the market for over 20 years which features comfort, fitness and safety together.

可選配霍尼韋爾N系列的濾盒