• Weight: 3 oz. 

• Width: 7" 

• Length: 7.25" 

• Area: 30 sq. ft. 

• Top Style: 4" Open 

• Bottom Style: 4" Open 

The Filbur FC-1003 is a spa filter cartridge that replaces cartridges for the Master Spa Cylindar (Old Style) 30 square feet spa filtration system. The FC-1003 cartridges are pleated with a polyester material and filter a surface area of 30 square feet to promote a safer spa environment and reduce bacteria growth. The FC-1003 is manufactured by Filbur and is able to replace the following manufacturer part numbers: Unicel C-7330 and Pleatco PMA30-2002-R.