Mesh adds 20" of mesh at the heading of the curtain to meet fire code when fire sprinklers are present.Optional upgrade to stainless steel hooks on the roller carriers. Recommended if using the track in a wet environment such as a shower, locker room or pool area.Beaded chain drops can be used instead of mesh heading when fire sprinklers are present.Recommended if using the track in a wet environment such as a shower, locker room or pool area.PVC drops can be used instead of mesh heading when fire sprinklers are present.Suspend tracks below ceiling to avoid light fixtures, ceiling vents, etc. Suspension posts are supplied to support the track every 36" to 48". One ceiling bracket and one track bracket are supplied for each suspension post. Two wall brackets are supplied for each track. Contact us for assistance if you need different size posts than offered or if you have a sloped ceiling.Swivel clip installation brackets can be used when you do not want to screw the track directly to the metal runner of the T-bar ceiling. The snap-on clip mounts to the metal runner of a standard T-bar ceiling and the track hangs below. Does NOT fit narrow-style T-bar or tegular T-bar where the ceiling tile extends below the metal runners.See Product Description below for details on each bottle holder.See Product Description below for details on each bottle holder.