GENUINE OEM Bullfrog Spa Parts Click for Discount Coupon CodesFree Shipping over $100 Technical Advice 434-974-7727 30-01320, MSERIES 5" BASE BLOCK B-30-01320 $14 In stock Quantity: 1 Add to Bag Product Details Brand: Bullfrog Spas MSERIES 5" BASE BLOCK Save this product for later Favorite