Continue shopping “Cartridge Filter LA Spas sock filter substitute 5CH-203” has been added to your cart. Product Price Quantity Total × Waterway Crystal Water Air Relief 550-4320 $25.55 Waterway Crystal Water Air Relief 550-4320 quantity $25.55 × Cartridge Filter LA Spas sock filter substitute 5CH-203 $35.00 Cartridge Filter LA Spas sock filter substitute 5CH-203 quantity $35.00 Cart totals Subtotal $60.55 Total $60.55 Proceed to checkout — OR — Coupon: