Waterway 10" Ultra-Retro Drain Suction Outlet, Round, White | 640-2130 V Hazmat - Weight the PA137 delivers a uniform

the PA137 delivers a uniform pore structure throughout the filter media — resisting channeling and thread migration that can compromise filtration performance over time

At 30 inches in length

Snap-lock treads for quicker

Filter Area 106 sq

9oz per 20

Waterway 10" Ultra-Retro Drain Suction Outlet, Round, White | 640-2130 V Hazmat - Weight the PA137 delivers a uniformUltra Retro is an underwater suction drain cover system intended to replace any drain cover up to 10 inches in diameter. The maximum flow rate for Ultra Retro is 224 gallons per minute (GPM) Floor and 192 GPM Wall. Ultra Retro should operate best when used with residential pumps of up to 3 HP. Please ensure your pool or spa pump system meets this specification. Features and Benefits: Total open area: 20 sq. In Frame size: 10" round Floor flow rate: