Pentair Algae Brush 18 in. Aluminum Back, Stainless Steel for Plaster, Concrete, Gunite | R111646 22 Internals but it also can help

but it also can help improve overall cleaning compared to many of the original models

This frame is grey and has one opening in which the vac tube (vac tube posts) rests which is the unit that gives the cleaner the power to suck and pull up dirt

This can also be used on the great white

Confirm you have at least 62–74″ vertical clearance above the tank for lid removal and cartridge access

Pentair Algae Brush 18 in. Aluminum Back, Stainless Steel for Plaster, Concrete, Gunite | R111646 22 Internals but it also can helpPentair Algae Brush 18 in. Aluminum Back, Stainless Steel for Plaster, Concrete, Gunite R111646 Algae brush with stainless steel bristles Perfect for removing tough algae on plaster surfaces Snap adapt handle fits most poles Includes 1 brush per pack Measures 29 50 inch length by 1 33 50 inch height by 1 33 50 inch width