... feeder,crib,egg collecting automatic poultry drinker for chicken chicken battery cages 3 tiers with nipple drinker ... Top screen 70 pcs, back sheet 35 pcs, door 17 pcs, Separate net: 140 pcs.2. Manger ... (6 pcs/set), End cap, Connector, Channel 3pcs 3. Water pipe: 8.5 packages (25pcs), Connector 1 ... /1700pcs7. Assembling Pliers, Clips: 1 package 3-tier automatic poultry drinker for chicken battery cages