Fixiing pack for aluminium frame greenhouse

Protects plants from frost, saves on heating costs and cuts down on algae growth. One pack is sufficient for an 8' x 4' greenhouse and contains 50 x 25mm extenders (these slot into the glazing bar channel) 50 alliplugs (for securing the insulation to the extenders) 16 corner plugs (for securing insulation to corner angle bars where the is no channel)