Inspired by a legendary monster, the Frankenbubbler features a vibrant full-color design paired with a glow-in-the-dark face that comes alive after dark. This limited edition bubbler brings monstrous personality and smooth filtration together in one unforgettable piece. Dimensions: 4.5" x 4" x 2.5" Lab-Grade Glass That Won't Let You Down - 100% Premium borosilicate glass. - Withstands extreme temperature switches without cracking or breaking. - Chemical-resistant. - Guarantees long-lasting durability you can trust.