Tunze Skimmer Cup Holiday (9012.145)FitsDOC Skimmer 9012, with appropriate hose connection and 2m (78.7in.) silicone hose. Provides the accumulation of significantly larger quantities of foam, e.g. in a bucket, cup or directly into the drain. For aquariums during holiday/vacation, for professional systems, larger aquariums, etc.Tunze Skimmer Cup Holiday (9012.145)FitsDOC Skimmer 9012, with appropriate hose connection and 2m (78.7in.) silicone hose. Provides the accumulation of significantly larger quantities of foam, e.g. in a bucket, cup or directly into the drain. For aquariums during holiday/vacation, for professional systems, larger aquariums, etc.Product code: 6239Item No. PS-TZ-9012.145