Aqua Ultraviolet® Quartz Cap, Clear Blue with Ring Loki Nets The kit comes with two

The kit comes with two faux stones (Lid & Lip) which can also be purchased separately:

Flat sides and spring-loaded clamp allows snug fit against aquarium or reservoir

Unique and beautiful patina finish

Eliminates excess nutrients and eliminates pond odors

The optional Pondless® Waterfall Extension slides onto the Pondless® Waterfall Vault

Aqua Ultraviolet® Quartz Cap, Clear Blue with Ring Loki Nets The kit comes with twoThis Aqua Ultraviolet Quartz Cap is clear blue, allowing you to see the light glowing. It fits Classic Series, Statuary Series, Advantage Series or Twist Series UV Clarifiers. It does not fit Viper or SL Series clarifiers. SKU UPC Code Description A40011 617750400112 Quartz Cap, Clear Blue