medical evaluation for respirator use

{"title":"Xiali Red Color Marking Spray Paint Evaluate For Respiratory Distress","imgUrl":"https:\/\/img.chinax.com\/nimg\/b3\/b7\/bdb414d13a53be02d089a531678b-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Aeropak","Model Number":"APK-6810","Minimum Order Quantity":"500 cartons","Delivery Time":"within 30 days","Certification":"REACH, TUV, ISO","Place of Origin":"China","Payment Terms":"by T\/T or L\/C at sight","Supply Ability":"1000000pcs\/month","Packaging Details":"12pcs\/ctn","Tack-free Time":"8-15 min","CAS No.":"Mixture","Filled ML":"500ml","Color":"xiali red","Item No.":"APK-6821-10","Coverage":"about 2 square meters\/can"}}

{"title":"Spirometer One Ball Lung Exercise Device for Breathing Exerciser Training","imgUrl":"https:\/\/img.chinax.com\/nimg\/96\/ca\/ce43190d6440569f3b3500978f46-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Aile","Model Number":"3000ml","Minimum Order Quantity":"10000pcs","Delivery Time":"15-35days","Certification":"ISO","Place of Origin":"China","Payment Terms":"L\/C, T\/T","Supply Ability":"10000000000ps\/month","Packaging Details":"PE bag","Power Source":"Manual","Material":"polystyrene, Polypropylene","Instrument classification":"Class I","Selling Units:":"Single item","Single package size:":"17.5X8.5X7 cm","Single gross weight:":"0.180 kg","Feature":"Non-toxic, Portable, Medical, Breathing Exercises","Keyword":"Single Ball Spirometer, Respiratory Exerciser"}}