Buy the 11" Deluxe Triangular Swimming Pool Vacuum Head at Michaels. com. Ideal for removing debris from vinyl liner pools. This can be easily used to remove algae from the bottom floor and wall of the swimming pool. Ideal for removing debris from vinyl liner pools. This can be easily used to remove algae from the bottom floor and wall of the swimming pool. Durable and efficient pool vacuum cleaning system. Details: 4" x 11" x 11" For standard 1.25" and 1.5" vacuum hoses Balanced weight placement for floating resistance Vinyl bumper around the perimeter Easy on/off push button telescopic pole connection Heavy duty plastic/vinylNote: vacuum head only - pole and hose are not included | 11" Deluxe Triangular Swimming Pool Vacuum Head By Pool Central | 11" x 11" x 4" | Michaels®