Custom Advanced Connections provides square bellows for all industries. The square bellows are completely customizable as seen below. Bellows materials include: neoprene coated nylon, hypalon coated nylon, aluminumm coated fiberglass, teflon coated fiberglass, silicone impregnated fiberglass, PVC translucent, or polyurethane translucent. The operation conditions for our custom square bellows include but are not limited to: dust, dirt, oil, water, ceramic dust or powder, and chemicals. Please contact us for more information or questions.