SHINESTAR Universal Propane Tank Refill Adapter- 100% Solid Brass Regulator Valve Accessory for all 0.5kg Tank Small Cylinders

SHINESTAR Universal Propane Refill Adapter for 1 lb Tanks, Propane Adapter 1 lb to 20 lb for 16 oz Propane Fuel Cylinder, Solid Brass

Joywayus 6Pcs Solid Brass Refill Propane Bottle Cap Universal for All 1 LB Gas Tank Cylinder Sealed Protect Cap

Flame King Refillable 1LB Empty Propane Cylinder Tank - Reusable - Safe and Legal Refill Option - DOT Compliant-16.4 oz (2-Pack), green (YSN164-2)