materials 1. abs engineering plastic case. 2. imported improved ps limpidity bowl. 3. high voltage modeled with electrostatic powder reflected steel sheet. 4. high flexibility rubber joint sealant. 5. pa engineering plastic inlet adapter. 6. pc plastic bulb set, connecting terminal. special features 1. be the same with inductance or electronic ballast. 2. be the same with t8 & t10 straight fluorescent tube. 3. be dust-proof, waterproof and corrosion protection. 4. limpidity bowl and reflected plate can be separated easily and convenience to maintain. 5. can be adsorbed to ceiling, hanging , or tie to suspender. 6. protective rank is ip65. application pharmacy, food manufacturer, aquatic product manufacturer, meatpacing.