We are offering hydroponic carbon air filter.Features 1.aluminum top and bases --- greatly reduce the weight , easy to handle and ship. 2.rc-48 australia vergin carbon --- effective for the filtration of organic particles and other airborne materials. 3.vibra machine packed carbon --- more carbon loaded, less movement after long transportation . 4.automatic look former equipment connected mesh --- no welding point, no rust , perfect workmanship. 5.customized open air stainless steel mesh --- maximum air flow and higher cfm's. 6.cone-shaped internal base --- optimum air flow. 7.anti-air-bypass technology --- ensure maximum filtration performance . 8.high quality customized pre-filter included. Ouradvantages&services 1. We are oem manufactory specialized in carbon filter ! 2. We can arrange express delivery, air delivery and ocean shipping for you ! 3. We use eco-friendly raw material for all our package ! 4. We have professional designer & sample maker team can supply various unique led grow light design ! 5. We have strict quality control system to ensure that the quality of each product from us qualified ! 6. We have a strong production capacity to meet customer requirements of rapid delivery! 7. We use strengthen packaging to ensure that the goods would not damage !