B'laster 16-PB-DS Multi-use Penetrating Catalyst Oil Lubricant, Includes B'Laster ProStraw with Control Flow Technology, Best for Breaking Loose Bolts and Rust Penetration 11-oz, 12 Pack lightweight Also fits pro series plus

Also fits pro series plus sand filter models s311sx

Whether it’s prevention or treatment of existing metal stains

Weighs 23-pound

Also fits Pentair Sta-Rite Great White inground pool and spa cleaner model GW9500

B'laster 16-PB-DS Multi-use Penetrating Catalyst Oil Lubricant, Includes B'Laster ProStraw with Control Flow Technology, Best for Breaking Loose Bolts and Rust Penetration 11-oz, 12 Pack lightweight Also fits pro series plusPB Blaster, 11 OZ, Penetrating Catalyst, Penetrates, Lubricates, Prevents Rust, Converts To A Lubricating Film After Permeation, Fortified With Surface Oxidation & Rust Proof Chemistry, Starts Wet Ignitions & Penetrates Wet Or Icy Frost, Intense Wetting Agent, Displaces Moisture In Electric Relays, New Three Way Delivery System Straw Allows For Pinpoint &r Broad Based Delivery Of Penetrant. EFFECTIVE PB Blaster quickly busts loose rusted or frozen