din earplugs for noise isolation

{"cid":"91190253","title":"Concentric Flange Reduced Rubber Expansion Joint DIN BS Standard","imgUrl":"https:\/\/img.ismap.com\/nimg\/a8\/f1\/b40c320389f719a7b0b161c9e243-200x200-1.jpg","attrs":{"Price":"USD 15--200\/Set","Brand Name":"JINGNING","Model Number":"RFJY","Minimum Order Quantity":"1","Certification":"CE","Place of Origin":"China","Payment Terms":"T\/T, L\/C, D\/P, D\/A, Western Union, MoneyGram","Packaging Details":"Wooden Box","produce name":"concentric reducer rubber joint","Size":"DN50----DN1200","Rubber Material":"EPDM,NBR,SBR,NR","Flange Standard":"DIN,BS,ANSI,JIS,AS","Flange Material":"Carbon Steel,Stainless Steel"}}

{"cid":"91200109","title":"480W DIN Rail Power Supply 48V 10A Wide AC\/DC Input With Active PFC DC OK","imgUrl":"https:\/\/img.ismap.com\/nimg\/02\/37\/23d10e54fe894e5b14059bc5bab5-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"Olycom","Model Number":"IMD-DC48V10A","Minimum Order Quantity":"1pc","Delivery Time":"4~8 working days","Certification":"CE RoHS FCC ISO9001","Place of Origin":"Shenzhen, China","Payment Terms":"T\/T, PayPal","Supply Ability":"2000Pcs per month","Packaging Details":"1pc in a carton, 0.98kg\/pc gross weight","Product Name":"480W industrial power supply","Voltage Input":"AC\/DC","Voltage Output":"48-55VDC","Temperature Range":"-40\u2103 to +70\u2103","UL Listed":"Yes","OEM Service":"Support"}}

{"cid":"91221589","title":"Eccentric Reducer Rubber Expansion Joint Chinese Standards GB\/T American Standards ANSI German Standards DIN Must Match The Piping Eccentric Reducer Rubber Flexible Connector","imgUrl":"https:\/\/img.ismap.com\/nimg\/d9\/c7\/f824232d97197714c540e663d8bc-200x200-1.jpg","attrs":{"Price":"$15.00\/sets 1-199 sets","Brand Name":"Zhicheng","Model Number":"zcd","Minimum Order Quantity":"1","Place of Origin":"Henan, China","Supply Ability":"16000 Piece\/Pieces per Month","Packaging Details":"Inner: plastic film, then put into carton case.
Outer: safe firmed export plywood case, marking on carton case and wooden case can be customized, or packing as per your requests.","Warranty":"1 Year","Customized support":"ODM, OEM","Technics":"Forged","Connection":"Flange","Shape":"Equal","Head Code":"Round","Product name":"DN350 DN500 DN80 PN16 flange epdm flexible bellow rubber expans joint","Size":"DN15-DN4000","Working temperature":"-15~80\u2103(-30~150\u2103)","Rubber material":"EPDM, NR, NBR,PTFE, FPM,etc","Flange material":"SS304,SS316,carbon steel, ductile iron,etc","Working pressure":"6~40bars(PN6~PN40)","Test pressure":"1.5 times of working pressure","Explosion pressure":"2 times of working pressure","Certificate":"ISO, TUV, WRAS, CO, MTC, etc","Manufacturer":"Yes, factory add: Gongyi City,China","Port":"Qingdao, Tianjin, Dalian, Shanghai, Ningbo, Guangzhou, Yiwu, Horgos, Jiegao, etc"}}

{"cid":"91215778","title":"GE Mark VIe IS230TDBTH2A(IS200TDBTH2A) - Discrete Input\/Output Terminal Board","imgUrl":"https:\/\/img.ismap.com\/nimg\/a4\/b5\/08d21d3156be39d7e612eb5644ed-200x200-1.jpg","attrs":{"Price":"$3000","Brand Name":"GE","Model Number":"IS230TDBTH2A","Minimum Order Quantity":"1pc","Delivery Time":"5-7days","Place of Origin":"US","Payment Terms":"T\/T","Supply Ability":"999pcs","Packaging Details":"New and original factory, individual box packing","Name":"GE Mark VIe IS230TDBTH2A - Discrete Input\/Output Terminal Board","Product ID":"IS230TDBTH2A","Series":"Mark VIe","Function":"Analog Output Terminal Board","Product Net Depth\/Length":"330mm","Product Net Height":"200mm","Product Net Width":"100mm","Product Net Weight":"2kg","Warranty":"1year"}}