Whirlpool filter filter cartridge: Hole size 150 mm/5.9 in: length 241 mm/9.5 in: thick thread 46.5 mm/1.8 inches. Measure the Whirlpool filter and share it with the dimensions of this filter before ordering. , 03FIL1400. Hydromassage bathtub filter: 100%polyester fiber material, better powder collection capacity, durable polyester makes the cartridge last longer than other options. The entire filter for Jacuzzi consists of an unbreakable mango, an inner ABS inner core and a thick filter tissue to form a strong and durable body.