Now In: Weatherization → Weatherstrip → Weatherstrip - with Jumbo Santoprene Bulb Weatherstrip - with Jumbo Santoprene Bulb SKU# WZRSA3680J Call for Pricing 800-356-2149 Product Description Same as our standard bulb weatherstrip (WZRSA3680S) but with a Jumbo Santoprene bulb. This extra large seal helps maintain a maximum seal against warped and uneven installation surfaces.