Little Giant PLU-1115 11′ x 16′ Underlayment – 1000 Gallon, 6′ x 11′ Water Garden based on 2′ depth (566319)

Little Giant PLU-1115 11′ x 16′ Underlayment – 1000 Gallon, 6′ x 11′ Water Garden based on 2′ depth (566319) Underlayment 11′ x 16′ Underlayment – 1000 Gallon, 6′ x 11′ Water Garden based on 2′ depth Little Giant PLU-1115 11′ x 16′ Underlayment – 1000 Gallon, 6′ x 11′ Water Garden based on 2′ depth (566319) Features: * 11′ x 16′ * Provides extra protection under liner * Quicker/Easier to install than sand