Pulsar Thirty-Arms Dab Rig - 6.75" / 14mm F / ClearPulsar Thirty Arms Dab Rig 6. 75" Clear Borosilicate Rig (14mm Female) The Pulsar Thirty Arms Dab Rig is a compact yet high performance concentrate rig designed for smooth, diffusion heavy hits. Standing approximately 6. 75 inches tall, this rig features an eye catching 30 arm jellyfish percolator that aggressively diffuses vapor for cooler, more controlled pulls. Crafted from durable borosilicate glass, the rig uses a barrel shaped chamber that helps