... .adjustable specification,weight:36g 3.size:46*18*32mm flow:0.4-1.6l/min micro air pump 12V item sizemm ... D1303-4003-4500 46*18*323V,6V,9V,12V1.240 0.5 30 36 D1303-6005-450046*18*323V,6V,9V ... ,12V1.560 0.8 36 36 D1303-9006-850046*18*323V,6V,9V ... prohibited to dismantle this product. micro air pump 12V, flow:0.4-1.6l/min micro air pump 12V